19969740

素因数分解:

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

素因数の和:618

約数の個数: 144

約数和(自身を含む): 71914752

約数和(自身を除く): 51945012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 587, 630, 756, 810, 945, 972, 1134, 1174, 1215, 1260, 1620, 1701, 1761, 1890, 2268, 2348, 2430, 2835, 2935, 3402, 3522, 3780, 4109, 4860, 5283, 5670, 5870, 6804, 7044, 8218, 8505, 8805, 10566, 11340, 11740, 12327, 15849, 16436, 17010, 17610, 20545, 21132, 24654, 26415, 31698, 34020, 35220, 36981, 41090, 47547, 49308, 52830, 61635, 63396, 73962, 79245, 82180, 95094, 105660, 110943, 123270, 142641, 147924, 158490, 184905, 190188, 221886, 237735, 246540, 285282, 316980, 332829, 369810, 443772, 475470, 554715, 570564, 665658, 713205, 739620, 950940, 998487, 1109430, 1331316, 1426410, 1664145, 1996974, 2218860, 2852820, 3328290, 3993948, 4992435, 6656580, 9984870, 19969740]

約数ペア:

[(1, 19969740), (2, 9984870), (3, 6656580), (4, 4992435), (5, 3993948), (6, 3328290), (7, 2852820), (9, 2218860), (10, 1996974), (12, 1664145), (14, 1426410), (15, 1331316), (18, 1109430), (20, 998487), (21, 950940), (27, 739620), (28, 713205), (30, 665658), (35, 570564), (36, 554715), (42, 475470), (45, 443772), (54, 369810), (60, 332829), (63, 316980), (70, 285282), (81, 246540), (84, 237735), (90, 221886), (105, 190188), (108, 184905), (126, 158490), (135, 147924), (140, 142641), (162, 123270), (180, 110943), (189, 105660), (210, 95094), (243, 82180), (252, 79245), (270, 73962), (315, 63396), (324, 61635), (378, 52830), (405, 49308), (420, 47547), (486, 41090), (540, 36981), (567, 35220), (587, 34020), (630, 31698), (756, 26415), (810, 24654), (945, 21132), (972, 20545), (1134, 17610), (1174, 17010), (1215, 16436), (1260, 15849), (1620, 12327), (1701, 11740), (1761, 11340), (1890, 10566), (2268, 8805), (2348, 8505), (2430, 8218), (2835, 7044), (2935, 6804), (3402, 5870), (3522, 5670), (3780, 5283), (4109, 4860)]