18854944

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 20094176

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 83, 124, 166, 229, 248, 332, 458, 496, 664, 916, 992, 1328, 1832, 2573, 2656, 3664, 5146, 7099, 7328, 10292, 14198, 19007, 20584, 28396, 38014, 41168, 56792, 76028, 82336, 113584, 152056, 227168, 304112, 589217, 608224, 1178434, 2356868, 4713736, 9427472, 18854944]

約数ペア:

[(1, 18854944), (2, 9427472), (4, 4713736), (8, 2356868), (16, 1178434), (31, 608224), (32, 589217), (62, 304112), (83, 227168), (124, 152056), (166, 113584), (229, 82336), (248, 76028), (332, 56792), (458, 41168), (496, 38014), (664, 28396), (916, 20584), (992, 19007), (1328, 14198), (1832, 10292), (2573, 7328), (2656, 7099), (3664, 5146)]