18631424

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 43807008

約数和(自身を除く): 25175584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 281, 296, 448, 518, 562, 592, 896, 1036, 1124, 1184, 1792, 1967, 2072, 2248, 2368, 3934, 4144, 4496, 4736, 7868, 8288, 8992, 9472, 10397, 15736, 16576, 17984, 20794, 31472, 33152, 35968, 41588, 62944, 66304, 71936, 72779, 83176, 125888, 145558, 166352, 251776, 291116, 332704, 503552, 582232, 665408, 1164464, 1330816, 2328928, 2661632, 4657856, 9315712, 18631424]

約数ペア:

[(1, 18631424), (2, 9315712), (4, 4657856), (7, 2661632), (8, 2328928), (14, 1330816), (16, 1164464), (28, 665408), (32, 582232), (37, 503552), (56, 332704), (64, 291116), (74, 251776), (112, 166352), (128, 145558), (148, 125888), (224, 83176), (256, 72779), (259, 71936), (281, 66304), (296, 62944), (448, 41588), (518, 35968), (562, 33152), (592, 31472), (896, 20794), (1036, 17984), (1124, 16576), (1184, 15736), (1792, 10397), (1967, 9472), (2072, 8992), (2248, 8288), (2368, 7868), (3934, 4736), (4144, 4496)]