18605340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7951}}^1$

素因数の和:7979

約数の個数: 72

約数和(自身を含む): 60785088

約数和(自身を除く): 42179748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7951, 15902, 23853, 31804, 39755, 47706, 71559, 79510, 95412, 103363, 119265, 143118, 159020, 206726, 238530, 286236, 310089, 357795, 413452, 477060, 516815, 620178, 715590, 930267, 1033630, 1240356, 1431180, 1550445, 1860534, 2067260, 3100890, 3721068, 4651335, 6201780, 9302670, 18605340]

約数ペア:

[(1, 18605340), (2, 9302670), (3, 6201780), (4, 4651335), (5, 3721068), (6, 3100890), (9, 2067260), (10, 1860534), (12, 1550445), (13, 1431180), (15, 1240356), (18, 1033630), (20, 930267), (26, 715590), (30, 620178), (36, 516815), (39, 477060), (45, 413452), (52, 357795), (60, 310089), (65, 286236), (78, 238530), (90, 206726), (117, 159020), (130, 143118), (156, 119265), (180, 103363), (195, 95412), (234, 79510), (260, 71559), (390, 47706), (468, 39755), (585, 31804), (780, 23853), (1170, 15902), (2340, 7951)]