19517280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 62433504

約数和(自身を除く): 42916224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 73, 80, 96, 120, 146, 160, 219, 240, 292, 365, 438, 480, 557, 584, 730, 876, 1095, 1114, 1168, 1460, 1671, 1752, 2190, 2228, 2336, 2785, 2920, 3342, 3504, 4380, 4456, 5570, 5840, 6684, 7008, 8355, 8760, 8912, 11140, 11680, 13368, 16710, 17520, 17824, 22280, 26736, 33420, 35040, 40661, 44560, 53472, 66840, 81322, 89120, 121983, 133680, 162644, 203305, 243966, 267360, 325288, 406610, 487932, 609915, 650576, 813220, 975864, 1219830, 1301152, 1626440, 1951728, 2439660, 3252880, 3903456, 4879320, 6505760, 9758640, 19517280]

約数ペア:

[(1, 19517280), (2, 9758640), (3, 6505760), (4, 4879320), (5, 3903456), (6, 3252880), (8, 2439660), (10, 1951728), (12, 1626440), (15, 1301152), (16, 1219830), (20, 975864), (24, 813220), (30, 650576), (32, 609915), (40, 487932), (48, 406610), (60, 325288), (73, 267360), (80, 243966), (96, 203305), (120, 162644), (146, 133680), (160, 121983), (219, 89120), (240, 81322), (292, 66840), (365, 53472), (438, 44560), (480, 40661), (557, 35040), (584, 33420), (730, 26736), (876, 22280), (1095, 17824), (1114, 17520), (1168, 16710), (1460, 13368), (1671, 11680), (1752, 11140), (2190, 8912), (2228, 8760), (2336, 8355), (2785, 7008), (2920, 6684), (3342, 5840), (3504, 5570), (4380, 4456)]