18936691180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{773}}^1$

素因数の和:1048

約数の個数: 144

約数和(自身を含む): 44826711552

約数和(自身を除く): 25890020372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 121, 191, 212, 220, 242, 265, 382, 484, 530, 583, 605, 764, 773, 955, 1060, 1166, 1210, 1546, 1910, 2101, 2332, 2420, 2915, 3092, 3820, 3865, 4202, 5830, 6413, 7730, 8404, 8503, 10123, 10505, 11660, 12826, 15460, 17006, 20246, 21010, 23111, 25652, 32065, 34012, 40492, 40969, 42020, 42515, 46222, 50615, 64130, 81938, 85030, 92444, 93533, 101230, 111353, 115555, 128260, 147643, 163876, 170060, 187066, 202460, 204845, 222706, 231110, 295286, 374132, 409690, 445412, 450659, 462220, 467665, 556765, 590572, 738215, 819380, 901318, 935330, 1113530, 1224883, 1476430, 1624073, 1802636, 1870660, 2227060, 2253295, 2449766, 2952860, 3248146, 4506590, 4899532, 4957249, 6124415, 6496292, 7825079, 8120365, 9013180, 9914498, 12248830, 15650158, 16240730, 17864803, 19828996, 24497660, 24786245, 31300316, 32481460, 35729606, 39125395, 49572490, 71459212, 78250790, 86075869, 89324015, 99144980, 156501580, 172151738, 178648030, 344303476, 357296060, 430379345, 860758690, 946834559, 1721517380, 1893669118, 3787338236, 4734172795, 9468345590, 18936691180]

約数ペア:

[(1, 18936691180), (2, 9468345590), (4, 4734172795), (5, 3787338236), (10, 1893669118), (11, 1721517380), (20, 946834559), (22, 860758690), (44, 430379345), (53, 357296060), (55, 344303476), (106, 178648030), (110, 172151738), (121, 156501580), (191, 99144980), (212, 89324015), (220, 86075869), (242, 78250790), (265, 71459212), (382, 49572490), (484, 39125395), (530, 35729606), (583, 32481460), (605, 31300316), (764, 24786245), (773, 24497660), (955, 19828996), (1060, 17864803), (1166, 16240730), (1210, 15650158), (1546, 12248830), (1910, 9914498), (2101, 9013180), (2332, 8120365), (2420, 7825079), (2915, 6496292), (3092, 6124415), (3820, 4957249), (3865, 4899532), (4202, 4506590), (5830, 3248146), (6413, 2952860), (7730, 2449766), (8404, 2253295), (8503, 2227060), (10123, 1870660), (10505, 1802636), (11660, 1624073), (12826, 1476430), (15460, 1224883), (17006, 1113530), (20246, 935330), (21010, 901318), (23111, 819380), (25652, 738215), (32065, 590572), (34012, 556765), (40492, 467665), (40969, 462220), (42020, 450659), (42515, 445412), (46222, 409690), (50615, 374132), (64130, 295286), (81938, 231110), (85030, 222706), (92444, 204845), (93533, 202460), (101230, 187066), (111353, 170060), (115555, 163876), (128260, 147643)]