18268960

素因数分解:

$2^5\times 5^1\times {\mathrm{227}}^1\times {\mathrm{503}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 25167776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 227, 454, 503, 908, 1006, 1135, 1816, 2012, 2270, 2515, 3632, 4024, 4540, 5030, 7264, 8048, 9080, 10060, 16096, 18160, 20120, 36320, 40240, 80480, 114181, 228362, 456724, 570905, 913448, 1141810, 1826896, 2283620, 3653792, 4567240, 9134480, 18268960]

約数ペア:

[(1, 18268960), (2, 9134480), (4, 4567240), (5, 3653792), (8, 2283620), (10, 1826896), (16, 1141810), (20, 913448), (32, 570905), (40, 456724), (80, 228362), (160, 114181), (227, 80480), (454, 40240), (503, 36320), (908, 20120), (1006, 18160), (1135, 16096), (1816, 10060), (2012, 9080), (2270, 8048), (2515, 7264), (3632, 5030), (4024, 4540)]