18983580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{587}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 67568256

約数和(自身を除く): 48584676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 587, 588, 660, 735, 770, 924, 980, 1078, 1155, 1174, 1470, 1540, 1617, 1761, 2156, 2310, 2348, 2695, 2935, 2940, 3234, 3522, 4109, 4620, 5390, 5870, 6457, 6468, 7044, 8085, 8218, 8805, 10780, 11740, 12327, 12914, 16170, 16436, 17610, 19371, 20545, 24654, 25828, 28763, 32285, 32340, 35220, 38742, 41090, 45199, 49308, 57526, 61635, 64570, 77484, 82180, 86289, 90398, 96855, 115052, 123270, 129140, 135597, 143815, 172578, 180796, 193710, 225995, 246540, 271194, 287630, 316393, 345156, 387420, 431445, 451990, 542388, 575260, 632786, 677985, 862890, 903980, 949179, 1265572, 1355970, 1581965, 1725780, 1898358, 2711940, 3163930, 3796716, 4745895, 6327860, 9491790, 18983580]

約数ペア:

[(1, 18983580), (2, 9491790), (3, 6327860), (4, 4745895), (5, 3796716), (6, 3163930), (7, 2711940), (10, 1898358), (11, 1725780), (12, 1581965), (14, 1355970), (15, 1265572), (20, 949179), (21, 903980), (22, 862890), (28, 677985), (30, 632786), (33, 575260), (35, 542388), (42, 451990), (44, 431445), (49, 387420), (55, 345156), (60, 316393), (66, 287630), (70, 271194), (77, 246540), (84, 225995), (98, 193710), (105, 180796), (110, 172578), (132, 143815), (140, 135597), (147, 129140), (154, 123270), (165, 115052), (196, 96855), (210, 90398), (220, 86289), (231, 82180), (245, 77484), (294, 64570), (308, 61635), (330, 57526), (385, 49308), (420, 45199), (462, 41090), (490, 38742), (539, 35220), (587, 32340), (588, 32285), (660, 28763), (735, 25828), (770, 24654), (924, 20545), (980, 19371), (1078, 17610), (1155, 16436), (1174, 16170), (1470, 12914), (1540, 12327), (1617, 11740), (1761, 10780), (2156, 8805), (2310, 8218), (2348, 8085), (2695, 7044), (2935, 6468), (2940, 6457), (3234, 5870), (3522, 5390), (4109, 4620)]