19813380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 58665600

約数和(自身を除く): 38852220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 59, 60, 87, 116, 118, 145, 174, 177, 193, 236, 290, 295, 348, 354, 386, 435, 579, 580, 590, 708, 772, 870, 885, 965, 1158, 1180, 1711, 1740, 1770, 1930, 2316, 2895, 3422, 3540, 3860, 5133, 5597, 5790, 6844, 8555, 10266, 11194, 11387, 11580, 16791, 17110, 20532, 22388, 22774, 25665, 27985, 33582, 34161, 34220, 45548, 51330, 55970, 56935, 67164, 68322, 83955, 102660, 111940, 113870, 136644, 167910, 170805, 227740, 330223, 335820, 341610, 660446, 683220, 990669, 1320892, 1651115, 1981338, 3302230, 3962676, 4953345, 6604460, 9906690, 19813380]

約数ペア:

[(1, 19813380), (2, 9906690), (3, 6604460), (4, 4953345), (5, 3962676), (6, 3302230), (10, 1981338), (12, 1651115), (15, 1320892), (20, 990669), (29, 683220), (30, 660446), (58, 341610), (59, 335820), (60, 330223), (87, 227740), (116, 170805), (118, 167910), (145, 136644), (174, 113870), (177, 111940), (193, 102660), (236, 83955), (290, 68322), (295, 67164), (348, 56935), (354, 55970), (386, 51330), (435, 45548), (579, 34220), (580, 34161), (590, 33582), (708, 27985), (772, 25665), (870, 22774), (885, 22388), (965, 20532), (1158, 17110), (1180, 16791), (1711, 11580), (1740, 11387), (1770, 11194), (1930, 10266), (2316, 8555), (2895, 6844), (3422, 5790), (3540, 5597), (3860, 5133)]