19197540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 60668160

約数和(自身を除く): 41470620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 487, 540, 657, 730, 876, 974, 1095, 1314, 1460, 1461, 1948, 1971, 2190, 2435, 2628, 2922, 3285, 3942, 4380, 4383, 4870, 5844, 6570, 7305, 7884, 8766, 9740, 9855, 13140, 13149, 14610, 17532, 19710, 21915, 26298, 29220, 35551, 39420, 43830, 52596, 65745, 71102, 87660, 106653, 131490, 142204, 177755, 213306, 262980, 319959, 355510, 426612, 533265, 639918, 711020, 959877, 1066530, 1279836, 1599795, 1919754, 2133060, 3199590, 3839508, 4799385, 6399180, 9598770, 19197540]

約数ペア:

[(1, 19197540), (2, 9598770), (3, 6399180), (4, 4799385), (5, 3839508), (6, 3199590), (9, 2133060), (10, 1919754), (12, 1599795), (15, 1279836), (18, 1066530), (20, 959877), (27, 711020), (30, 639918), (36, 533265), (45, 426612), (54, 355510), (60, 319959), (73, 262980), (90, 213306), (108, 177755), (135, 142204), (146, 131490), (180, 106653), (219, 87660), (270, 71102), (292, 65745), (365, 52596), (438, 43830), (487, 39420), (540, 35551), (657, 29220), (730, 26298), (876, 21915), (974, 19710), (1095, 17532), (1314, 14610), (1460, 13149), (1461, 13140), (1948, 9855), (1971, 9740), (2190, 8766), (2435, 7884), (2628, 7305), (2922, 6570), (3285, 5844), (3942, 4870), (4380, 4383)]