19729170

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 55665792

約数和(自身を除く): 35936622

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 243, 270, 345, 353, 405, 414, 486, 621, 690, 706, 810, 1035, 1059, 1215, 1242, 1765, 1863, 2070, 2118, 2430, 3105, 3177, 3530, 3726, 5295, 5589, 6210, 6354, 8119, 9315, 9531, 10590, 11178, 15885, 16238, 18630, 19062, 24357, 27945, 28593, 31770, 40595, 47655, 48714, 55890, 57186, 73071, 81190, 85779, 95310, 121785, 142965, 146142, 171558, 219213, 243570, 285930, 365355, 428895, 438426, 657639, 730710, 857790, 1096065, 1315278, 1972917, 2192130, 3288195, 3945834, 6576390, 9864585, 19729170]

約数ペア:

[(1, 19729170), (2, 9864585), (3, 6576390), (5, 3945834), (6, 3288195), (9, 2192130), (10, 1972917), (15, 1315278), (18, 1096065), (23, 857790), (27, 730710), (30, 657639), (45, 438426), (46, 428895), (54, 365355), (69, 285930), (81, 243570), (90, 219213), (115, 171558), (135, 146142), (138, 142965), (162, 121785), (207, 95310), (230, 85779), (243, 81190), (270, 73071), (345, 57186), (353, 55890), (405, 48714), (414, 47655), (486, 40595), (621, 31770), (690, 28593), (706, 27945), (810, 24357), (1035, 19062), (1059, 18630), (1215, 16238), (1242, 15885), (1765, 11178), (1863, 10590), (2070, 9531), (2118, 9315), (2430, 8119), (3105, 6354), (3177, 6210), (3530, 5589), (3726, 5295)]