19854360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 65173680

約数和(自身を除く): 45319320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 131, 180, 262, 360, 393, 421, 524, 655, 786, 842, 1048, 1179, 1263, 1310, 1572, 1684, 1965, 2105, 2358, 2526, 2620, 3144, 3368, 3789, 3930, 4210, 4716, 5052, 5240, 5895, 6315, 7578, 7860, 8420, 9432, 10104, 11790, 12630, 15156, 15720, 16840, 18945, 23580, 25260, 30312, 37890, 47160, 50520, 55151, 75780, 110302, 151560, 165453, 220604, 275755, 330906, 441208, 496359, 551510, 661812, 827265, 992718, 1103020, 1323624, 1654530, 1985436, 2206040, 2481795, 3309060, 3970872, 4963590, 6618120, 9927180, 19854360]

約数ペア:

[(1, 19854360), (2, 9927180), (3, 6618120), (4, 4963590), (5, 3970872), (6, 3309060), (8, 2481795), (9, 2206040), (10, 1985436), (12, 1654530), (15, 1323624), (18, 1103020), (20, 992718), (24, 827265), (30, 661812), (36, 551510), (40, 496359), (45, 441208), (60, 330906), (72, 275755), (90, 220604), (120, 165453), (131, 151560), (180, 110302), (262, 75780), (360, 55151), (393, 50520), (421, 47160), (524, 37890), (655, 30312), (786, 25260), (842, 23580), (1048, 18945), (1179, 16840), (1263, 15720), (1310, 15156), (1572, 12630), (1684, 11790), (1965, 10104), (2105, 9432), (2358, 8420), (2526, 7860), (2620, 7578), (3144, 6315), (3368, 5895), (3789, 5240), (3930, 5052), (4210, 4716)]