18481216

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:351

約数の個数: 56

約数和(自身を含む): 40076120

約数和(自身を除く): 21594904

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 194, 208, 229, 388, 416, 458, 776, 832, 916, 1261, 1552, 1832, 2522, 2977, 3104, 3664, 5044, 5954, 6208, 7328, 10088, 11908, 14656, 20176, 22213, 23816, 40352, 44426, 47632, 80704, 88852, 95264, 177704, 190528, 288769, 355408, 577538, 710816, 1155076, 1421632, 2310152, 4620304, 9240608, 18481216]

約数ペア:

[(1, 18481216), (2, 9240608), (4, 4620304), (8, 2310152), (13, 1421632), (16, 1155076), (26, 710816), (32, 577538), (52, 355408), (64, 288769), (97, 190528), (104, 177704), (194, 95264), (208, 88852), (229, 80704), (388, 47632), (416, 44426), (458, 40352), (776, 23816), (832, 22213), (916, 20176), (1261, 14656), (1552, 11908), (1832, 10088), (2522, 7328), (2977, 6208), (3104, 5954), (3664, 5044)]