19111860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1193}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 58673160

約数和(自身を除く): 39561300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1193, 1335, 1602, 1780, 2386, 2670, 3204, 3579, 4005, 4772, 5340, 5965, 7158, 8010, 10737, 11930, 14316, 16020, 17895, 21474, 23860, 35790, 42948, 53685, 71580, 106177, 107370, 212354, 214740, 318531, 424708, 530885, 637062, 955593, 1061770, 1274124, 1592655, 1911186, 2123540, 3185310, 3822372, 4777965, 6370620, 9555930, 19111860]

約数ペア:

[(1, 19111860), (2, 9555930), (3, 6370620), (4, 4777965), (5, 3822372), (6, 3185310), (9, 2123540), (10, 1911186), (12, 1592655), (15, 1274124), (18, 1061770), (20, 955593), (30, 637062), (36, 530885), (45, 424708), (60, 318531), (89, 214740), (90, 212354), (178, 107370), (180, 106177), (267, 71580), (356, 53685), (445, 42948), (534, 35790), (801, 23860), (890, 21474), (1068, 17895), (1193, 16020), (1335, 14316), (1602, 11930), (1780, 10737), (2386, 8010), (2670, 7158), (3204, 5965), (3579, 5340), (4005, 4772)]