19556880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1663}}^1$

素因数の和:1693

約数の個数: 120

約数和(自身を含む): 70566912

約数和(自身を除く): 51010032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1663, 1680, 1960, 2352, 2940, 3326, 3920, 4989, 5880, 6652, 8315, 9978, 11641, 11760, 13304, 16630, 19956, 23282, 24945, 26608, 33260, 34923, 39912, 46564, 49890, 58205, 66520, 69846, 79824, 81487, 93128, 99780, 116410, 133040, 139692, 162974, 174615, 186256, 199560, 232820, 244461, 279384, 325948, 349230, 399120, 407435, 465640, 488922, 558768, 651896, 698460, 814870, 931280, 977844, 1222305, 1303792, 1396920, 1629740, 1955688, 2444610, 2793840, 3259480, 3911376, 4889220, 6518960, 9778440, 19556880]

約数ペア:

[(1, 19556880), (2, 9778440), (3, 6518960), (4, 4889220), (5, 3911376), (6, 3259480), (7, 2793840), (8, 2444610), (10, 1955688), (12, 1629740), (14, 1396920), (15, 1303792), (16, 1222305), (20, 977844), (21, 931280), (24, 814870), (28, 698460), (30, 651896), (35, 558768), (40, 488922), (42, 465640), (48, 407435), (49, 399120), (56, 349230), (60, 325948), (70, 279384), (80, 244461), (84, 232820), (98, 199560), (105, 186256), (112, 174615), (120, 162974), (140, 139692), (147, 133040), (168, 116410), (196, 99780), (210, 93128), (240, 81487), (245, 79824), (280, 69846), (294, 66520), (336, 58205), (392, 49890), (420, 46564), (490, 39912), (560, 34923), (588, 33260), (735, 26608), (784, 24945), (840, 23282), (980, 19956), (1176, 16630), (1470, 13304), (1663, 11760), (1680, 11641), (1960, 9978), (2352, 8315), (2940, 6652), (3326, 5880), (3920, 4989)]