18883340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 49459200

約数和(自身を除く): 30575860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 229, 266, 310, 380, 434, 458, 532, 589, 620, 665, 868, 916, 1085, 1145, 1178, 1330, 1603, 2170, 2290, 2356, 2660, 2945, 3206, 4123, 4340, 4351, 4580, 5890, 6412, 7099, 8015, 8246, 8702, 11780, 14198, 16030, 16492, 17404, 20615, 21755, 28396, 30457, 32060, 35495, 41230, 43510, 49693, 60914, 70990, 82460, 87020, 99386, 121828, 134881, 141980, 152285, 198772, 248465, 269762, 304570, 496930, 539524, 609140, 674405, 944167, 993860, 1348810, 1888334, 2697620, 3776668, 4720835, 9441670, 18883340]

約数ペア:

[(1, 18883340), (2, 9441670), (4, 4720835), (5, 3776668), (7, 2697620), (10, 1888334), (14, 1348810), (19, 993860), (20, 944167), (28, 674405), (31, 609140), (35, 539524), (38, 496930), (62, 304570), (70, 269762), (76, 248465), (95, 198772), (124, 152285), (133, 141980), (140, 134881), (155, 121828), (190, 99386), (217, 87020), (229, 82460), (266, 70990), (310, 60914), (380, 49693), (434, 43510), (458, 41230), (532, 35495), (589, 32060), (620, 30457), (665, 28396), (868, 21755), (916, 20615), (1085, 17404), (1145, 16492), (1178, 16030), (1330, 14198), (1603, 11780), (2170, 8702), (2290, 8246), (2356, 8015), (2660, 7099), (2945, 6412), (3206, 5890), (4123, 4580), (4340, 4351)]