18895360

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 120

約数和(自身を含む): 50613948

約数和(自身を除く): 31718588

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 121, 122, 128, 160, 176, 220, 242, 244, 256, 305, 320, 352, 440, 484, 488, 512, 605, 610, 640, 671, 704, 880, 968, 976, 1210, 1220, 1280, 1342, 1408, 1760, 1936, 1952, 2420, 2440, 2560, 2684, 2816, 3355, 3520, 3872, 3904, 4840, 4880, 5368, 5632, 6710, 7040, 7381, 7744, 7808, 9680, 9760, 10736, 13420, 14080, 14762, 15488, 15616, 19360, 19520, 21472, 26840, 28160, 29524, 30976, 31232, 36905, 38720, 39040, 42944, 53680, 59048, 61952, 73810, 77440, 78080, 85888, 107360, 118096, 147620, 154880, 156160, 171776, 214720, 236192, 295240, 309760, 343552, 429440, 472384, 590480, 858880, 944768, 1180960, 1717760, 1889536, 2361920, 3779072, 4723840, 9447680, 18895360]

約数ペア:

[(1, 18895360), (2, 9447680), (4, 4723840), (5, 3779072), (8, 2361920), (10, 1889536), (11, 1717760), (16, 1180960), (20, 944768), (22, 858880), (32, 590480), (40, 472384), (44, 429440), (55, 343552), (61, 309760), (64, 295240), (80, 236192), (88, 214720), (110, 171776), (121, 156160), (122, 154880), (128, 147620), (160, 118096), (176, 107360), (220, 85888), (242, 78080), (244, 77440), (256, 73810), (305, 61952), (320, 59048), (352, 53680), (440, 42944), (484, 39040), (488, 38720), (512, 36905), (605, 31232), (610, 30976), (640, 29524), (671, 28160), (704, 26840), (880, 21472), (968, 19520), (976, 19360), (1210, 15616), (1220, 15488), (1280, 14762), (1342, 14080), (1408, 13420), (1760, 10736), (1936, 9760), (1952, 9680), (2420, 7808), (2440, 7744), (2560, 7381), (2684, 7040), (2816, 6710), (3355, 5632), (3520, 5368), (3872, 4880), (3904, 4840)]