18783272

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 20615128

約数列:

[1, 2, 4, 8, 23, 31, 37, 46, 62, 74, 89, 92, 124, 148, 178, 184, 248, 296, 356, 712, 713, 851, 1147, 1426, 1702, 2047, 2294, 2759, 2852, 3293, 3404, 4094, 4588, 5518, 5704, 6586, 6808, 8188, 9176, 11036, 13172, 16376, 22072, 26344, 26381, 52762, 63457, 75739, 102083, 105524, 126914, 151478, 204166, 211048, 253828, 302956, 408332, 507656, 605912, 816664, 2347909, 4695818, 9391636, 18783272]

約数ペア:

[(1, 18783272), (2, 9391636), (4, 4695818), (8, 2347909), (23, 816664), (31, 605912), (37, 507656), (46, 408332), (62, 302956), (74, 253828), (89, 211048), (92, 204166), (124, 151478), (148, 126914), (178, 105524), (184, 102083), (248, 75739), (296, 63457), (356, 52762), (712, 26381), (713, 26344), (851, 22072), (1147, 16376), (1426, 13172), (1702, 11036), (2047, 9176), (2294, 8188), (2759, 6808), (2852, 6586), (3293, 5704), (3404, 5518), (4094, 4588)]