19453770

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 160

約数和(自身を含む): 61890048

約数和(自身を除く): 42436278

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 47, 54, 63, 70, 73, 81, 90, 94, 105, 126, 135, 141, 146, 162, 189, 210, 219, 235, 270, 282, 315, 329, 365, 378, 405, 423, 438, 470, 511, 567, 630, 657, 658, 705, 730, 810, 846, 945, 987, 1022, 1095, 1134, 1269, 1314, 1410, 1533, 1645, 1890, 1971, 1974, 2115, 2190, 2538, 2555, 2835, 2961, 3066, 3285, 3290, 3431, 3807, 3942, 4230, 4599, 4935, 5110, 5670, 5913, 5922, 6345, 6570, 6862, 7614, 7665, 8883, 9198, 9855, 9870, 10293, 11826, 12690, 13797, 14805, 15330, 17155, 17766, 19035, 19710, 20586, 22995, 24017, 26649, 27594, 29565, 29610, 30879, 34310, 38070, 41391, 44415, 45990, 48034, 51465, 53298, 59130, 61758, 68985, 72051, 82782, 88830, 92637, 102930, 120085, 133245, 137970, 144102, 154395, 185274, 206955, 216153, 240170, 266490, 277911, 308790, 360255, 413910, 432306, 463185, 555822, 648459, 720510, 926370, 1080765, 1296918, 1389555, 1945377, 2161530, 2779110, 3242295, 3890754, 6484590, 9726885, 19453770]

約数ペア:

[(1, 19453770), (2, 9726885), (3, 6484590), (5, 3890754), (6, 3242295), (7, 2779110), (9, 2161530), (10, 1945377), (14, 1389555), (15, 1296918), (18, 1080765), (21, 926370), (27, 720510), (30, 648459), (35, 555822), (42, 463185), (45, 432306), (47, 413910), (54, 360255), (63, 308790), (70, 277911), (73, 266490), (81, 240170), (90, 216153), (94, 206955), (105, 185274), (126, 154395), (135, 144102), (141, 137970), (146, 133245), (162, 120085), (189, 102930), (210, 92637), (219, 88830), (235, 82782), (270, 72051), (282, 68985), (315, 61758), (329, 59130), (365, 53298), (378, 51465), (405, 48034), (423, 45990), (438, 44415), (470, 41391), (511, 38070), (567, 34310), (630, 30879), (657, 29610), (658, 29565), (705, 27594), (730, 26649), (810, 24017), (846, 22995), (945, 20586), (987, 19710), (1022, 19035), (1095, 17766), (1134, 17155), (1269, 15330), (1314, 14805), (1410, 13797), (1533, 12690), (1645, 11826), (1890, 10293), (1971, 9870), (1974, 9855), (2115, 9198), (2190, 8883), (2538, 7665), (2555, 7614), (2835, 6862), (2961, 6570), (3066, 6345), (3285, 5922), (3290, 5913), (3431, 5670), (3807, 5110), (3942, 4935), (4230, 4599)]