18105272

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 37134720

約数和(自身を除く): 19029448

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 191, 289, 328, 382, 578, 697, 764, 1156, 1394, 1528, 2312, 2788, 3247, 5576, 6494, 7831, 11849, 12988, 15662, 23698, 25976, 31324, 47396, 55199, 62648, 94792, 110398, 133127, 220796, 266254, 441592, 532508, 1065016, 2263159, 4526318, 9052636, 18105272]

約数ペア:

[(1, 18105272), (2, 9052636), (4, 4526318), (8, 2263159), (17, 1065016), (34, 532508), (41, 441592), (68, 266254), (82, 220796), (136, 133127), (164, 110398), (191, 94792), (289, 62648), (328, 55199), (382, 47396), (578, 31324), (697, 25976), (764, 23698), (1156, 15662), (1394, 12988), (1528, 11849), (2312, 7831), (2788, 6494), (3247, 5576)]