18775320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1613}}^1$

素因数の和:1724

約数の個数: 64

約数和(自身を含む): 56941920

約数和(自身を除く): 38166600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1613, 1940, 2328, 2910, 3226, 3880, 4839, 5820, 6452, 8065, 9678, 11640, 12904, 16130, 19356, 24195, 32260, 38712, 48390, 64520, 96780, 156461, 193560, 312922, 469383, 625844, 782305, 938766, 1251688, 1564610, 1877532, 2346915, 3129220, 3755064, 4693830, 6258440, 9387660, 18775320]

約数ペア:

[(1, 18775320), (2, 9387660), (3, 6258440), (4, 4693830), (5, 3755064), (6, 3129220), (8, 2346915), (10, 1877532), (12, 1564610), (15, 1251688), (20, 938766), (24, 782305), (30, 625844), (40, 469383), (60, 312922), (97, 193560), (120, 156461), (194, 96780), (291, 64520), (388, 48390), (485, 38712), (582, 32260), (776, 24195), (970, 19356), (1164, 16130), (1455, 12904), (1613, 11640), (1940, 9678), (2328, 8065), (2910, 6452), (3226, 5820), (3880, 4839)]