18993376

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 39266640

約数和(自身を除く): 20273264

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 97, 116, 194, 211, 232, 388, 422, 464, 776, 844, 928, 1552, 1688, 2813, 3104, 3376, 5626, 6119, 6752, 11252, 12238, 20467, 22504, 24476, 40934, 45008, 48952, 81868, 90016, 97904, 163736, 195808, 327472, 593543, 654944, 1187086, 2374172, 4748344, 9496688, 18993376]

約数ペア:

[(1, 18993376), (2, 9496688), (4, 4748344), (8, 2374172), (16, 1187086), (29, 654944), (32, 593543), (58, 327472), (97, 195808), (116, 163736), (194, 97904), (211, 90016), (232, 81868), (388, 48952), (422, 45008), (464, 40934), (776, 24476), (844, 22504), (928, 20467), (1552, 12238), (1688, 11252), (2813, 6752), (3104, 6119), (3376, 5626)]