19549740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:631

約数の個数: 96

約数和(自身を含む): 63383040

約数和(自身を除く): 43833300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 523, 534, 623, 890, 1046, 1068, 1246, 1335, 1569, 1780, 1869, 2092, 2492, 2615, 2670, 3115, 3138, 3661, 3738, 5230, 5340, 6230, 6276, 7322, 7476, 7845, 9345, 10460, 10983, 12460, 14644, 15690, 18305, 18690, 21966, 31380, 36610, 37380, 43932, 46547, 54915, 73220, 93094, 109830, 139641, 186188, 219660, 232735, 279282, 325829, 465470, 558564, 651658, 698205, 930940, 977487, 1303316, 1396410, 1629145, 1954974, 2792820, 3258290, 3909948, 4887435, 6516580, 9774870, 19549740]

約数ペア:

[(1, 19549740), (2, 9774870), (3, 6516580), (4, 4887435), (5, 3909948), (6, 3258290), (7, 2792820), (10, 1954974), (12, 1629145), (14, 1396410), (15, 1303316), (20, 977487), (21, 930940), (28, 698205), (30, 651658), (35, 558564), (42, 465470), (60, 325829), (70, 279282), (84, 232735), (89, 219660), (105, 186188), (140, 139641), (178, 109830), (210, 93094), (267, 73220), (356, 54915), (420, 46547), (445, 43932), (523, 37380), (534, 36610), (623, 31380), (890, 21966), (1046, 18690), (1068, 18305), (1246, 15690), (1335, 14644), (1569, 12460), (1780, 10983), (1869, 10460), (2092, 9345), (2492, 7845), (2615, 7476), (2670, 7322), (3115, 6276), (3138, 6230), (3661, 5340), (3738, 5230)]