18693840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 64745856

約数和(自身を除く): 46052016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 73, 80, 88, 97, 110, 120, 132, 146, 165, 176, 194, 219, 220, 240, 264, 291, 292, 330, 365, 388, 438, 440, 485, 528, 582, 584, 660, 730, 776, 803, 876, 880, 970, 1067, 1095, 1164, 1168, 1320, 1455, 1460, 1552, 1606, 1752, 1940, 2134, 2190, 2328, 2409, 2640, 2910, 2920, 3201, 3212, 3504, 3880, 4015, 4268, 4380, 4656, 4818, 5335, 5820, 5840, 6402, 6424, 7081, 7760, 8030, 8536, 8760, 9636, 10670, 11640, 12045, 12804, 12848, 14162, 16005, 16060, 17072, 17520, 19272, 21243, 21340, 23280, 24090, 25608, 28324, 32010, 32120, 35405, 38544, 42486, 42680, 48180, 51216, 56648, 64020, 64240, 70810, 77891, 84972, 85360, 96360, 106215, 113296, 128040, 141620, 155782, 169944, 192720, 212430, 233673, 256080, 283240, 311564, 339888, 389455, 424860, 467346, 566480, 623128, 778910, 849720, 934692, 1168365, 1246256, 1557820, 1699440, 1869384, 2336730, 3115640, 3738768, 4673460, 6231280, 9346920, 18693840]

約数ペア:

[(1, 18693840), (2, 9346920), (3, 6231280), (4, 4673460), (5, 3738768), (6, 3115640), (8, 2336730), (10, 1869384), (11, 1699440), (12, 1557820), (15, 1246256), (16, 1168365), (20, 934692), (22, 849720), (24, 778910), (30, 623128), (33, 566480), (40, 467346), (44, 424860), (48, 389455), (55, 339888), (60, 311564), (66, 283240), (73, 256080), (80, 233673), (88, 212430), (97, 192720), (110, 169944), (120, 155782), (132, 141620), (146, 128040), (165, 113296), (176, 106215), (194, 96360), (219, 85360), (220, 84972), (240, 77891), (264, 70810), (291, 64240), (292, 64020), (330, 56648), (365, 51216), (388, 48180), (438, 42680), (440, 42486), (485, 38544), (528, 35405), (582, 32120), (584, 32010), (660, 28324), (730, 25608), (776, 24090), (803, 23280), (876, 21340), (880, 21243), (970, 19272), (1067, 17520), (1095, 17072), (1164, 16060), (1168, 16005), (1320, 14162), (1455, 12848), (1460, 12804), (1552, 12045), (1606, 11640), (1752, 10670), (1940, 9636), (2134, 8760), (2190, 8536), (2328, 8030), (2409, 7760), (2640, 7081), (2910, 6424), (2920, 6402), (3201, 5840), (3212, 5820), (3504, 5335), (3880, 4818), (4015, 4656), (4268, 4380)]