19422380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 42293664

約数和(自身を除く): 22871284

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 251, 265, 292, 365, 502, 530, 730, 1004, 1060, 1255, 1460, 2510, 3869, 5020, 7738, 13303, 15476, 18323, 19345, 26606, 36646, 38690, 53212, 66515, 73292, 77380, 91615, 133030, 183230, 266060, 366460, 971119, 1942238, 3884476, 4855595, 9711190, 19422380]

約数ペア:

[(1, 19422380), (2, 9711190), (4, 4855595), (5, 3884476), (10, 1942238), (20, 971119), (53, 366460), (73, 266060), (106, 183230), (146, 133030), (212, 91615), (251, 77380), (265, 73292), (292, 66515), (365, 53212), (502, 38690), (530, 36646), (730, 26606), (1004, 19345), (1060, 18323), (1255, 15476), (1460, 13303), (2510, 7738), (3869, 5020)]