19478760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23189}}^1$

素因数の和:23210

約数の個数: 64

約数和(自身を含む): 66787200

約数和(自身を除く): 47308440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23189, 46378, 69567, 92756, 115945, 139134, 162323, 185512, 231890, 278268, 324646, 347835, 463780, 486969, 556536, 649292, 695670, 811615, 927560, 973938, 1298584, 1391340, 1623230, 1947876, 2434845, 2782680, 3246460, 3895752, 4869690, 6492920, 9739380, 19478760]

約数ペア:

[(1, 19478760), (2, 9739380), (3, 6492920), (4, 4869690), (5, 3895752), (6, 3246460), (7, 2782680), (8, 2434845), (10, 1947876), (12, 1623230), (14, 1391340), (15, 1298584), (20, 973938), (21, 927560), (24, 811615), (28, 695670), (30, 649292), (35, 556536), (40, 486969), (42, 463780), (56, 347835), (60, 324646), (70, 278268), (84, 231890), (105, 185512), (120, 162323), (140, 139134), (168, 115945), (210, 92756), (280, 69567), (420, 46378), (840, 23189)]