16173940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 36933120

約数和(自身を除く): 20759180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1373, 2356, 2746, 2945, 5492, 5890, 6865, 11780, 13730, 26087, 27460, 42563, 52174, 85126, 104348, 130435, 170252, 212815, 260870, 425630, 521740, 808697, 851260, 1617394, 3234788, 4043485, 8086970, 16173940]

約数ペア:

[(1, 16173940), (2, 8086970), (4, 4043485), (5, 3234788), (10, 1617394), (19, 851260), (20, 808697), (31, 521740), (38, 425630), (62, 260870), (76, 212815), (95, 170252), (124, 130435), (155, 104348), (190, 85126), (310, 52174), (380, 42563), (589, 27460), (620, 26087), (1178, 13730), (1373, 11780), (2356, 6865), (2746, 5890), (2945, 5492)]