19723380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1213}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 55474944

約数和(自身を除く): 35751564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1213, 1355, 1626, 2426, 2710, 3252, 3639, 4065, 4852, 5420, 6065, 7278, 8130, 12130, 14556, 16260, 18195, 24260, 36390, 72780, 328723, 657446, 986169, 1314892, 1643615, 1972338, 3287230, 3944676, 4930845, 6574460, 9861690, 19723380]

約数ペア:

[(1, 19723380), (2, 9861690), (3, 6574460), (4, 4930845), (5, 3944676), (6, 3287230), (10, 1972338), (12, 1643615), (15, 1314892), (20, 986169), (30, 657446), (60, 328723), (271, 72780), (542, 36390), (813, 24260), (1084, 18195), (1213, 16260), (1355, 14556), (1626, 12130), (2426, 8130), (2710, 7278), (3252, 6065), (3639, 5420), (4065, 4852)]