19913430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 50595840

約数和(自身を除く): 30682410

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 47, 58, 87, 94, 141, 145, 174, 235, 282, 290, 435, 470, 487, 705, 870, 974, 1363, 1410, 1461, 2435, 2726, 2922, 4089, 4870, 6815, 7305, 8178, 13630, 14123, 14610, 20445, 22889, 28246, 40890, 42369, 45778, 68667, 70615, 84738, 114445, 137334, 141230, 211845, 228890, 343335, 423690, 663781, 686670, 1327562, 1991343, 3318905, 3982686, 6637810, 9956715, 19913430]

約数ペア:

[(1, 19913430), (2, 9956715), (3, 6637810), (5, 3982686), (6, 3318905), (10, 1991343), (15, 1327562), (29, 686670), (30, 663781), (47, 423690), (58, 343335), (87, 228890), (94, 211845), (141, 141230), (145, 137334), (174, 114445), (235, 84738), (282, 70615), (290, 68667), (435, 45778), (470, 42369), (487, 40890), (705, 28246), (870, 22889), (974, 20445), (1363, 14610), (1410, 14123), (1461, 13630), (2435, 8178), (2726, 7305), (2922, 6815), (4089, 4870)]