19423980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:164

約数の個数: 108

約数和(自身を含む): 61868352

約数和(自身を除く): 42444372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 59, 60, 62, 90, 93, 118, 124, 155, 177, 180, 186, 236, 279, 295, 310, 354, 372, 465, 531, 558, 590, 620, 708, 885, 930, 1062, 1116, 1180, 1395, 1770, 1829, 1860, 2124, 2655, 2790, 3481, 3540, 3658, 5310, 5487, 5580, 6962, 7316, 9145, 10443, 10620, 10974, 13924, 16461, 17405, 18290, 20886, 21948, 27435, 31329, 32922, 34810, 36580, 41772, 52215, 54870, 62658, 65844, 69620, 82305, 104430, 107911, 109740, 125316, 156645, 164610, 208860, 215822, 313290, 323733, 329220, 431644, 539555, 626580, 647466, 971199, 1079110, 1294932, 1618665, 1942398, 2158220, 3237330, 3884796, 4855995, 6474660, 9711990, 19423980]

約数ペア:

[(1, 19423980), (2, 9711990), (3, 6474660), (4, 4855995), (5, 3884796), (6, 3237330), (9, 2158220), (10, 1942398), (12, 1618665), (15, 1294932), (18, 1079110), (20, 971199), (30, 647466), (31, 626580), (36, 539555), (45, 431644), (59, 329220), (60, 323733), (62, 313290), (90, 215822), (93, 208860), (118, 164610), (124, 156645), (155, 125316), (177, 109740), (180, 107911), (186, 104430), (236, 82305), (279, 69620), (295, 65844), (310, 62658), (354, 54870), (372, 52215), (465, 41772), (531, 36580), (558, 34810), (590, 32922), (620, 31329), (708, 27435), (885, 21948), (930, 20886), (1062, 18290), (1116, 17405), (1180, 16461), (1395, 13924), (1770, 10974), (1829, 10620), (1860, 10443), (2124, 9145), (2655, 7316), (2790, 6962), (3481, 5580), (3540, 5487), (3658, 5310)]