19841120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9539}}^1$

素因数の和:9567

約数の個数: 48

約数和(自身を含む): 50485680

約数和(自身を除く): 30644560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9539, 19078, 38156, 47695, 76312, 95390, 124007, 152624, 190780, 248014, 305248, 381560, 496028, 620035, 763120, 992056, 1240070, 1526240, 1984112, 2480140, 3968224, 4960280, 9920560, 19841120]

約数ペア:

[(1, 19841120), (2, 9920560), (4, 4960280), (5, 3968224), (8, 2480140), (10, 1984112), (13, 1526240), (16, 1240070), (20, 992056), (26, 763120), (32, 620035), (40, 496028), (52, 381560), (65, 305248), (80, 248014), (104, 190780), (130, 152624), (160, 124007), (208, 95390), (260, 76312), (416, 47695), (520, 38156), (1040, 19078), (2080, 9539)]