19528960

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 54452160

約数和(自身を除く): 34923200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 73, 76, 80, 88, 95, 110, 128, 146, 152, 160, 176, 190, 209, 220, 256, 292, 304, 320, 352, 365, 380, 418, 440, 584, 608, 640, 704, 730, 760, 803, 836, 880, 1045, 1168, 1216, 1280, 1387, 1408, 1460, 1520, 1606, 1672, 1760, 2090, 2336, 2432, 2774, 2816, 2920, 3040, 3212, 3344, 3520, 4015, 4180, 4672, 4864, 5548, 5840, 6080, 6424, 6688, 6935, 7040, 8030, 8360, 9344, 11096, 11680, 12160, 12848, 13376, 13870, 14080, 15257, 16060, 16720, 18688, 22192, 23360, 24320, 25696, 26752, 27740, 30514, 32120, 33440, 44384, 46720, 51392, 53504, 55480, 61028, 64240, 66880, 76285, 88768, 93440, 102784, 110960, 122056, 128480, 133760, 152570, 177536, 205568, 221920, 244112, 256960, 267520, 305140, 355072, 443840, 488224, 513920, 610280, 887680, 976448, 1027840, 1220560, 1775360, 1952896, 2441120, 3905792, 4882240, 9764480, 19528960]

約数ペア:

[(1, 19528960), (2, 9764480), (4, 4882240), (5, 3905792), (8, 2441120), (10, 1952896), (11, 1775360), (16, 1220560), (19, 1027840), (20, 976448), (22, 887680), (32, 610280), (38, 513920), (40, 488224), (44, 443840), (55, 355072), (64, 305140), (73, 267520), (76, 256960), (80, 244112), (88, 221920), (95, 205568), (110, 177536), (128, 152570), (146, 133760), (152, 128480), (160, 122056), (176, 110960), (190, 102784), (209, 93440), (220, 88768), (256, 76285), (292, 66880), (304, 64240), (320, 61028), (352, 55480), (365, 53504), (380, 51392), (418, 46720), (440, 44384), (584, 33440), (608, 32120), (640, 30514), (704, 27740), (730, 26752), (760, 25696), (803, 24320), (836, 23360), (880, 22192), (1045, 18688), (1168, 16720), (1216, 16060), (1280, 15257), (1387, 14080), (1408, 13870), (1460, 13376), (1520, 12848), (1606, 12160), (1672, 11680), (1760, 11096), (2090, 9344), (2336, 8360), (2432, 8030), (2774, 7040), (2816, 6935), (2920, 6688), (3040, 6424), (3212, 6080), (3344, 5840), (3520, 5548), (4015, 4864), (4180, 4672)]