19015040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 51628320

約数和(自身を除く): 32613280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 73, 74, 80, 88, 110, 128, 146, 148, 160, 176, 185, 220, 292, 296, 320, 352, 365, 370, 407, 440, 584, 592, 640, 704, 730, 740, 803, 814, 880, 1168, 1184, 1408, 1460, 1480, 1606, 1628, 1760, 2035, 2336, 2368, 2701, 2920, 2960, 3212, 3256, 3520, 4015, 4070, 4672, 4736, 5402, 5840, 5920, 6424, 6512, 7040, 8030, 8140, 9344, 10804, 11680, 11840, 12848, 13024, 13505, 16060, 16280, 21608, 23360, 23680, 25696, 26048, 27010, 29711, 32120, 32560, 43216, 46720, 51392, 52096, 54020, 59422, 64240, 65120, 86432, 102784, 108040, 118844, 128480, 130240, 148555, 172864, 216080, 237688, 256960, 260480, 297110, 345728, 432160, 475376, 513920, 594220, 864320, 950752, 1188440, 1728640, 1901504, 2376880, 3803008, 4753760, 9507520, 19015040]

約数ペア:

[(1, 19015040), (2, 9507520), (4, 4753760), (5, 3803008), (8, 2376880), (10, 1901504), (11, 1728640), (16, 1188440), (20, 950752), (22, 864320), (32, 594220), (37, 513920), (40, 475376), (44, 432160), (55, 345728), (64, 297110), (73, 260480), (74, 256960), (80, 237688), (88, 216080), (110, 172864), (128, 148555), (146, 130240), (148, 128480), (160, 118844), (176, 108040), (185, 102784), (220, 86432), (292, 65120), (296, 64240), (320, 59422), (352, 54020), (365, 52096), (370, 51392), (407, 46720), (440, 43216), (584, 32560), (592, 32120), (640, 29711), (704, 27010), (730, 26048), (740, 25696), (803, 23680), (814, 23360), (880, 21608), (1168, 16280), (1184, 16060), (1408, 13505), (1460, 13024), (1480, 12848), (1606, 11840), (1628, 11680), (1760, 10804), (2035, 9344), (2336, 8140), (2368, 8030), (2701, 7040), (2920, 6512), (2960, 6424), (3212, 5920), (3256, 5840), (3520, 5402), (4015, 4736), (4070, 4672)]