18415740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 59512320

約数和(自身を除く): 41096580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 163, 210, 269, 326, 420, 489, 538, 652, 807, 815, 978, 1076, 1141, 1345, 1614, 1630, 1883, 1956, 2282, 2445, 2690, 3228, 3260, 3423, 3766, 4035, 4564, 4890, 5380, 5649, 5705, 6846, 7532, 8070, 9415, 9780, 11298, 11410, 13692, 16140, 17115, 18830, 22596, 22820, 28245, 34230, 37660, 43847, 56490, 68460, 87694, 112980, 131541, 175388, 219235, 263082, 306929, 438470, 526164, 613858, 657705, 876940, 920787, 1227716, 1315410, 1534645, 1841574, 2630820, 3069290, 3683148, 4603935, 6138580, 9207870, 18415740]

約数ペア:

[(1, 18415740), (2, 9207870), (3, 6138580), (4, 4603935), (5, 3683148), (6, 3069290), (7, 2630820), (10, 1841574), (12, 1534645), (14, 1315410), (15, 1227716), (20, 920787), (21, 876940), (28, 657705), (30, 613858), (35, 526164), (42, 438470), (60, 306929), (70, 263082), (84, 219235), (105, 175388), (140, 131541), (163, 112980), (210, 87694), (269, 68460), (326, 56490), (420, 43847), (489, 37660), (538, 34230), (652, 28245), (807, 22820), (815, 22596), (978, 18830), (1076, 17115), (1141, 16140), (1345, 13692), (1614, 11410), (1630, 11298), (1883, 9780), (1956, 9415), (2282, 8070), (2445, 7532), (2690, 6846), (3228, 5705), (3260, 5649), (3423, 5380), (3766, 4890), (4035, 4564)]