19510140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25013}}^1$

素因数の和:25038

約数の個数: 48

約数和(自身を含む): 58832928

約数和(自身を除く): 39322788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25013, 50026, 75039, 100052, 125065, 150078, 250130, 300156, 325169, 375195, 500260, 650338, 750390, 975507, 1300676, 1500780, 1625845, 1951014, 3251690, 3902028, 4877535, 6503380, 9755070, 19510140]

約数ペア:

[(1, 19510140), (2, 9755070), (3, 6503380), (4, 4877535), (5, 3902028), (6, 3251690), (10, 1951014), (12, 1625845), (13, 1500780), (15, 1300676), (20, 975507), (26, 750390), (30, 650338), (39, 500260), (52, 375195), (60, 325169), (65, 300156), (78, 250130), (130, 150078), (156, 125065), (195, 100052), (260, 75039), (390, 50026), (780, 25013)]