19177830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 59673600

約数和(自身を除く): 40495770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 73, 90, 105, 126, 135, 139, 146, 189, 210, 219, 270, 278, 315, 365, 378, 417, 438, 511, 630, 657, 695, 730, 834, 945, 973, 1022, 1095, 1251, 1314, 1390, 1533, 1890, 1946, 1971, 2085, 2190, 2502, 2555, 2919, 3066, 3285, 3753, 3942, 4170, 4599, 4865, 5110, 5838, 6255, 6570, 7506, 7665, 8757, 9198, 9730, 9855, 10147, 12510, 13797, 14595, 15330, 17514, 18765, 19710, 20294, 22995, 26271, 27594, 29190, 30441, 37530, 43785, 45990, 50735, 52542, 60882, 68985, 71029, 87570, 91323, 101470, 131355, 137970, 142058, 152205, 182646, 213087, 262710, 273969, 304410, 355145, 426174, 456615, 547938, 639261, 710290, 913230, 1065435, 1278522, 1369845, 1917783, 2130870, 2739690, 3196305, 3835566, 6392610, 9588915, 19177830]

約数ペア:

[(1, 19177830), (2, 9588915), (3, 6392610), (5, 3835566), (6, 3196305), (7, 2739690), (9, 2130870), (10, 1917783), (14, 1369845), (15, 1278522), (18, 1065435), (21, 913230), (27, 710290), (30, 639261), (35, 547938), (42, 456615), (45, 426174), (54, 355145), (63, 304410), (70, 273969), (73, 262710), (90, 213087), (105, 182646), (126, 152205), (135, 142058), (139, 137970), (146, 131355), (189, 101470), (210, 91323), (219, 87570), (270, 71029), (278, 68985), (315, 60882), (365, 52542), (378, 50735), (417, 45990), (438, 43785), (511, 37530), (630, 30441), (657, 29190), (695, 27594), (730, 26271), (834, 22995), (945, 20294), (973, 19710), (1022, 18765), (1095, 17514), (1251, 15330), (1314, 14595), (1390, 13797), (1533, 12510), (1890, 10147), (1946, 9855), (1971, 9730), (2085, 9198), (2190, 8757), (2502, 7665), (2555, 7506), (2919, 6570), (3066, 6255), (3285, 5838), (3753, 5110), (3942, 4865), (4170, 4599)]