18291289280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{472399}}^1$

素因数の和:472438

約数の個数: 84

約数和(自身を含む): 47875850400

約数和(自身を除く): 29584561120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2420, 3520, 3872, 4840, 7744, 9680, 19360, 38720, 472399, 944798, 1889596, 2361995, 3779192, 4723990, 5196389, 7558384, 9447980, 10392778, 15116768, 18895960, 20785556, 25981945, 30233536, 37791920, 41571112, 51963890, 57160279, 75583840, 83142224, 103927780, 114320558, 151167680, 166284448, 207855560, 228641116, 285801395, 332568896, 415711120, 457282232, 571602790, 831422240, 914564464, 1143205580, 1662844480, 1829128928, 2286411160, 3658257856, 4572822320, 9145644640, 18291289280]

約数ペア:

[(1, 18291289280), (2, 9145644640), (4, 4572822320), (5, 3658257856), (8, 2286411160), (10, 1829128928), (11, 1662844480), (16, 1143205580), (20, 914564464), (22, 831422240), (32, 571602790), (40, 457282232), (44, 415711120), (55, 332568896), (64, 285801395), (80, 228641116), (88, 207855560), (110, 166284448), (121, 151167680), (160, 114320558), (176, 103927780), (220, 83142224), (242, 75583840), (320, 57160279), (352, 51963890), (440, 41571112), (484, 37791920), (605, 30233536), (704, 25981945), (880, 20785556), (968, 18895960), (1210, 15116768), (1760, 10392778), (1936, 9447980), (2420, 7558384), (3520, 5196389), (3872, 4723990), (4840, 3779192), (7744, 2361995), (9680, 1889596), (19360, 944798), (38720, 472399)]