18668944

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 45076480

約数和(自身を除く): 26407536

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 283, 304, 434, 496, 532, 566, 589, 868, 1064, 1132, 1178, 1736, 1981, 2128, 2264, 2356, 3472, 3962, 4123, 4528, 4712, 5377, 7924, 8246, 8773, 9424, 10754, 15848, 16492, 17546, 21508, 31696, 32984, 35092, 37639, 43016, 61411, 65968, 70184, 75278, 86032, 122822, 140368, 150556, 166687, 245644, 301112, 333374, 491288, 602224, 666748, 982576, 1166809, 1333496, 2333618, 2666992, 4667236, 9334472, 18668944]

約数ペア:

[(1, 18668944), (2, 9334472), (4, 4667236), (7, 2666992), (8, 2333618), (14, 1333496), (16, 1166809), (19, 982576), (28, 666748), (31, 602224), (38, 491288), (56, 333374), (62, 301112), (76, 245644), (112, 166687), (124, 150556), (133, 140368), (152, 122822), (217, 86032), (248, 75278), (266, 70184), (283, 65968), (304, 61411), (434, 43016), (496, 37639), (532, 35092), (566, 32984), (589, 31696), (868, 21508), (1064, 17546), (1132, 16492), (1178, 15848), (1736, 10754), (1981, 9424), (2128, 8773), (2264, 8246), (2356, 7924), (3472, 5377), (3962, 4712), (4123, 4528)]