17986540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 46851840

約数和(自身を除く): 28865300

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 331, 380, 418, 494, 572, 662, 715, 836, 988, 1045, 1235, 1324, 1430, 1655, 2090, 2470, 2717, 2860, 3310, 3641, 4180, 4303, 4940, 5434, 6289, 6620, 7282, 8606, 10868, 12578, 13585, 14564, 17212, 18205, 21515, 25156, 27170, 31445, 36410, 43030, 47333, 54340, 62890, 69179, 72820, 81757, 86060, 94666, 125780, 138358, 163514, 189332, 236665, 276716, 327028, 345895, 408785, 473330, 691790, 817570, 899327, 946660, 1383580, 1635140, 1798654, 3597308, 4496635, 8993270, 17986540]

約数ペア:

[(1, 17986540), (2, 8993270), (4, 4496635), (5, 3597308), (10, 1798654), (11, 1635140), (13, 1383580), (19, 946660), (20, 899327), (22, 817570), (26, 691790), (38, 473330), (44, 408785), (52, 345895), (55, 327028), (65, 276716), (76, 236665), (95, 189332), (110, 163514), (130, 138358), (143, 125780), (190, 94666), (209, 86060), (220, 81757), (247, 72820), (260, 69179), (286, 62890), (331, 54340), (380, 47333), (418, 43030), (494, 36410), (572, 31445), (662, 27170), (715, 25156), (836, 21515), (988, 18205), (1045, 17212), (1235, 14564), (1324, 13585), (1430, 12578), (1655, 10868), (2090, 8606), (2470, 7282), (2717, 6620), (2860, 6289), (3310, 5434), (3641, 4940), (4180, 4303)]