18348680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3449}}^1$

素因数の和:3486

約数の個数: 64

約数和(自身を含む): 49680000

約数和(自身を除く): 31331320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3449, 5320, 6898, 13796, 17245, 24143, 27592, 34490, 48286, 65531, 68980, 96572, 120715, 131062, 137960, 193144, 241430, 262124, 327655, 458717, 482860, 524248, 655310, 917434, 965720, 1310620, 1834868, 2293585, 2621240, 3669736, 4587170, 9174340, 18348680]

約数ペア:

[(1, 18348680), (2, 9174340), (4, 4587170), (5, 3669736), (7, 2621240), (8, 2293585), (10, 1834868), (14, 1310620), (19, 965720), (20, 917434), (28, 655310), (35, 524248), (38, 482860), (40, 458717), (56, 327655), (70, 262124), (76, 241430), (95, 193144), (133, 137960), (140, 131062), (152, 120715), (190, 96572), (266, 68980), (280, 65531), (380, 48286), (532, 34490), (665, 27592), (760, 24143), (1064, 17245), (1330, 13796), (2660, 6898), (3449, 5320)]