18188480

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:633

約数の個数: 56

約数和(自身を含む): 43781472

約数和(自身を除く): 25592992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 503, 565, 904, 1006, 1130, 1808, 2012, 2260, 2515, 3616, 4024, 4520, 5030, 7232, 8048, 9040, 10060, 16096, 18080, 20120, 32192, 36160, 40240, 56839, 80480, 113678, 160960, 227356, 284195, 454712, 568390, 909424, 1136780, 1818848, 2273560, 3637696, 4547120, 9094240, 18188480]

約数ペア:

[(1, 18188480), (2, 9094240), (4, 4547120), (5, 3637696), (8, 2273560), (10, 1818848), (16, 1136780), (20, 909424), (32, 568390), (40, 454712), (64, 284195), (80, 227356), (113, 160960), (160, 113678), (226, 80480), (320, 56839), (452, 40240), (503, 36160), (565, 32192), (904, 20120), (1006, 18080), (1130, 16096), (1808, 10060), (2012, 9040), (2260, 8048), (2515, 7232), (3616, 5030), (4024, 4520)]