19791904

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{953}}^1$

素因数の和:1033

約数の個数: 48

約数和(自身を含む): 43273440

約数和(自身を除く): 23481536

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 88, 118, 176, 236, 352, 472, 649, 944, 953, 1298, 1888, 1906, 2596, 3812, 5192, 7624, 10384, 10483, 15248, 20768, 20966, 30496, 41932, 56227, 83864, 112454, 167728, 224908, 335456, 449816, 618497, 899632, 1236994, 1799264, 2473988, 4947976, 9895952, 19791904]

約数ペア:

[(1, 19791904), (2, 9895952), (4, 4947976), (8, 2473988), (11, 1799264), (16, 1236994), (22, 899632), (32, 618497), (44, 449816), (59, 335456), (88, 224908), (118, 167728), (176, 112454), (236, 83864), (352, 56227), (472, 41932), (649, 30496), (944, 20966), (953, 20768), (1298, 15248), (1888, 10483), (1906, 10384), (2596, 7624), (3812, 5192)]