18787080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12043}}^1$

素因数の和:12070

約数の個数: 64

約数和(自身を含む): 60701760

約数和(自身を除く): 41914680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12043, 24086, 36129, 48172, 60215, 72258, 96344, 120430, 144516, 156559, 180645, 240860, 289032, 313118, 361290, 469677, 481720, 626236, 722580, 782795, 939354, 1252472, 1445160, 1565590, 1878708, 2348385, 3131180, 3757416, 4696770, 6262360, 9393540, 18787080]

約数ペア:

[(1, 18787080), (2, 9393540), (3, 6262360), (4, 4696770), (5, 3757416), (6, 3131180), (8, 2348385), (10, 1878708), (12, 1565590), (13, 1445160), (15, 1252472), (20, 939354), (24, 782795), (26, 722580), (30, 626236), (39, 481720), (40, 469677), (52, 361290), (60, 313118), (65, 289032), (78, 240860), (104, 180645), (120, 156559), (130, 144516), (156, 120430), (195, 96344), (260, 72258), (312, 60215), (390, 48172), (520, 36129), (780, 24086), (1560, 12043)]