19156960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7043}}^1$

素因数の和:7075

約数の個数: 48

約数和(自身を含む): 47927376

約数和(自身を除く): 28770416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 7043, 14086, 28172, 35215, 56344, 70430, 112688, 119731, 140860, 225376, 239462, 281720, 478924, 563440, 598655, 957848, 1126880, 1197310, 1915696, 2394620, 3831392, 4789240, 9578480, 19156960]

約数ペア:

[(1, 19156960), (2, 9578480), (4, 4789240), (5, 3831392), (8, 2394620), (10, 1915696), (16, 1197310), (17, 1126880), (20, 957848), (32, 598655), (34, 563440), (40, 478924), (68, 281720), (80, 239462), (85, 225376), (136, 140860), (160, 119731), (170, 112688), (272, 70430), (340, 56344), (544, 35215), (680, 28172), (1360, 14086), (2720, 7043)]