19682080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 51928128

約数和(自身を除く): 32246048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 80, 88, 106, 110, 160, 176, 211, 212, 220, 265, 352, 422, 424, 440, 530, 583, 844, 848, 880, 1055, 1060, 1166, 1688, 1696, 1760, 2110, 2120, 2321, 2332, 2915, 3376, 4220, 4240, 4642, 4664, 5830, 6752, 8440, 8480, 9284, 9328, 11183, 11605, 11660, 16880, 18568, 18656, 22366, 23210, 23320, 33760, 37136, 44732, 46420, 46640, 55915, 74272, 89464, 92840, 93280, 111830, 123013, 178928, 185680, 223660, 246026, 357856, 371360, 447320, 492052, 615065, 894640, 984104, 1230130, 1789280, 1968208, 2460260, 3936416, 4920520, 9841040, 19682080]

約数ペア:

[(1, 19682080), (2, 9841040), (4, 4920520), (5, 3936416), (8, 2460260), (10, 1968208), (11, 1789280), (16, 1230130), (20, 984104), (22, 894640), (32, 615065), (40, 492052), (44, 447320), (53, 371360), (55, 357856), (80, 246026), (88, 223660), (106, 185680), (110, 178928), (160, 123013), (176, 111830), (211, 93280), (212, 92840), (220, 89464), (265, 74272), (352, 55915), (422, 46640), (424, 46420), (440, 44732), (530, 37136), (583, 33760), (844, 23320), (848, 23210), (880, 22366), (1055, 18656), (1060, 18568), (1166, 16880), (1688, 11660), (1696, 11605), (1760, 11183), (2110, 9328), (2120, 9284), (2321, 8480), (2332, 8440), (2915, 6752), (3376, 5830), (4220, 4664), (4240, 4642)]