19757408

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 44675064

約数和(自身を除く): 24917656

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 41, 44, 74, 82, 88, 148, 164, 176, 296, 328, 352, 407, 451, 592, 656, 814, 902, 1184, 1312, 1369, 1517, 1628, 1804, 2738, 3034, 3256, 3608, 5476, 6068, 6512, 7216, 10952, 12136, 13024, 14432, 15059, 16687, 21904, 24272, 30118, 33374, 43808, 48544, 56129, 60236, 66748, 112258, 120472, 133496, 224516, 240944, 266992, 449032, 481888, 533984, 617419, 898064, 1234838, 1796128, 2469676, 4939352, 9878704, 19757408]

約数ペア:

[(1, 19757408), (2, 9878704), (4, 4939352), (8, 2469676), (11, 1796128), (16, 1234838), (22, 898064), (32, 617419), (37, 533984), (41, 481888), (44, 449032), (74, 266992), (82, 240944), (88, 224516), (148, 133496), (164, 120472), (176, 112258), (296, 66748), (328, 60236), (352, 56129), (407, 48544), (451, 43808), (592, 33374), (656, 30118), (814, 24272), (902, 21904), (1184, 16687), (1312, 15059), (1369, 14432), (1517, 13024), (1628, 12136), (1804, 10952), (2738, 7216), (3034, 6512), (3256, 6068), (3608, 5476)]