18393440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 29869600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 65, 74, 80, 104, 130, 148, 160, 185, 208, 239, 260, 296, 370, 416, 478, 481, 520, 592, 740, 956, 962, 1040, 1184, 1195, 1480, 1912, 1924, 2080, 2390, 2405, 2960, 3107, 3824, 3848, 4780, 4810, 5920, 6214, 7648, 7696, 8843, 9560, 9620, 12428, 15392, 15535, 17686, 19120, 19240, 24856, 31070, 35372, 38240, 38480, 44215, 49712, 62140, 70744, 76960, 88430, 99424, 114959, 124280, 141488, 176860, 229918, 248560, 282976, 353720, 459836, 497120, 574795, 707440, 919672, 1149590, 1414880, 1839344, 2299180, 3678688, 4598360, 9196720, 18393440]

約数ペア:

[(1, 18393440), (2, 9196720), (4, 4598360), (5, 3678688), (8, 2299180), (10, 1839344), (13, 1414880), (16, 1149590), (20, 919672), (26, 707440), (32, 574795), (37, 497120), (40, 459836), (52, 353720), (65, 282976), (74, 248560), (80, 229918), (104, 176860), (130, 141488), (148, 124280), (160, 114959), (185, 99424), (208, 88430), (239, 76960), (260, 70744), (296, 62140), (370, 49712), (416, 44215), (478, 38480), (481, 38240), (520, 35372), (592, 31070), (740, 24856), (956, 19240), (962, 19120), (1040, 17686), (1184, 15535), (1195, 15392), (1480, 12428), (1912, 9620), (1924, 9560), (2080, 8843), (2390, 7696), (2405, 7648), (2960, 6214), (3107, 5920), (3824, 4810), (3848, 4780)]