18826340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 46475520

約数和(自身を除く): 27649180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 37, 38, 52, 65, 74, 76, 95, 103, 130, 148, 185, 190, 206, 247, 260, 370, 380, 412, 481, 494, 515, 703, 740, 962, 988, 1030, 1235, 1339, 1406, 1924, 1957, 2060, 2405, 2470, 2678, 2812, 3515, 3811, 3914, 4810, 4940, 5356, 6695, 7030, 7622, 7828, 9139, 9620, 9785, 13390, 14060, 15244, 18278, 19055, 19570, 25441, 26780, 36556, 38110, 39140, 45695, 49543, 50882, 72409, 76220, 91390, 99086, 101764, 127205, 144818, 182780, 198172, 247715, 254410, 289636, 362045, 495430, 508820, 724090, 941317, 990860, 1448180, 1882634, 3765268, 4706585, 9413170, 18826340]

約数ペア:

[(1, 18826340), (2, 9413170), (4, 4706585), (5, 3765268), (10, 1882634), (13, 1448180), (19, 990860), (20, 941317), (26, 724090), (37, 508820), (38, 495430), (52, 362045), (65, 289636), (74, 254410), (76, 247715), (95, 198172), (103, 182780), (130, 144818), (148, 127205), (185, 101764), (190, 99086), (206, 91390), (247, 76220), (260, 72409), (370, 50882), (380, 49543), (412, 45695), (481, 39140), (494, 38110), (515, 36556), (703, 26780), (740, 25441), (962, 19570), (988, 19055), (1030, 18278), (1235, 15244), (1339, 14060), (1406, 13390), (1924, 9785), (1957, 9620), (2060, 9139), (2405, 7828), (2470, 7622), (2678, 7030), (2812, 6695), (3515, 5356), (3811, 4940), (3914, 4810)]