18259380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:334

約数の個数: 108

約数和(自身を含む): 58663332

約数和(自身を除く): 40403952

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 281, 285, 342, 361, 380, 562, 570, 684, 722, 843, 855, 1083, 1124, 1140, 1405, 1444, 1686, 1710, 1805, 2166, 2529, 2810, 3249, 3372, 3420, 3610, 4215, 4332, 5058, 5339, 5415, 5620, 6498, 7220, 8430, 10116, 10678, 10830, 12645, 12996, 16017, 16245, 16860, 21356, 21660, 25290, 26695, 32034, 32490, 48051, 50580, 53390, 64068, 64980, 80085, 96102, 101441, 106780, 160170, 192204, 202882, 240255, 304323, 320340, 405764, 480510, 507205, 608646, 912969, 961020, 1014410, 1217292, 1521615, 1825938, 2028820, 3043230, 3651876, 4564845, 6086460, 9129690, 18259380]

約数ペア:

[(1, 18259380), (2, 9129690), (3, 6086460), (4, 4564845), (5, 3651876), (6, 3043230), (9, 2028820), (10, 1825938), (12, 1521615), (15, 1217292), (18, 1014410), (19, 961020), (20, 912969), (30, 608646), (36, 507205), (38, 480510), (45, 405764), (57, 320340), (60, 304323), (76, 240255), (90, 202882), (95, 192204), (114, 160170), (171, 106780), (180, 101441), (190, 96102), (228, 80085), (281, 64980), (285, 64068), (342, 53390), (361, 50580), (380, 48051), (562, 32490), (570, 32034), (684, 26695), (722, 25290), (843, 21660), (855, 21356), (1083, 16860), (1124, 16245), (1140, 16017), (1405, 12996), (1444, 12645), (1686, 10830), (1710, 10678), (1805, 10116), (2166, 8430), (2529, 7220), (2810, 6498), (3249, 5620), (3372, 5415), (3420, 5339), (3610, 5058), (4215, 4332)]