19406250

素因数分解:

$2^1\times 3^3\times 5^6\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 112

約数和(自身を含む): 56249280

約数和(自身を除く): 36843030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 90, 115, 125, 135, 138, 150, 207, 225, 230, 250, 270, 345, 375, 414, 450, 575, 621, 625, 675, 690, 750, 1035, 1125, 1150, 1242, 1250, 1350, 1725, 1875, 2070, 2250, 2875, 3105, 3125, 3375, 3450, 3750, 5175, 5625, 5750, 6210, 6250, 6750, 8625, 9375, 10350, 11250, 14375, 15525, 15625, 16875, 17250, 18750, 25875, 28125, 28750, 31050, 31250, 33750, 43125, 46875, 51750, 56250, 71875, 77625, 84375, 86250, 93750, 129375, 140625, 143750, 155250, 168750, 215625, 258750, 281250, 359375, 388125, 421875, 431250, 646875, 718750, 776250, 843750, 1078125, 1293750, 1940625, 2156250, 3234375, 3881250, 6468750, 9703125, 19406250]

約数ペア:

[(1, 19406250), (2, 9703125), (3, 6468750), (5, 3881250), (6, 3234375), (9, 2156250), (10, 1940625), (15, 1293750), (18, 1078125), (23, 843750), (25, 776250), (27, 718750), (30, 646875), (45, 431250), (46, 421875), (50, 388125), (54, 359375), (69, 281250), (75, 258750), (90, 215625), (115, 168750), (125, 155250), (135, 143750), (138, 140625), (150, 129375), (207, 93750), (225, 86250), (230, 84375), (250, 77625), (270, 71875), (345, 56250), (375, 51750), (414, 46875), (450, 43125), (575, 33750), (621, 31250), (625, 31050), (675, 28750), (690, 28125), (750, 25875), (1035, 18750), (1125, 17250), (1150, 16875), (1242, 15625), (1250, 15525), (1350, 14375), (1725, 11250), (1875, 10350), (2070, 9375), (2250, 8625), (2875, 6750), (3105, 6250), (3125, 6210), (3375, 5750), (3450, 5625), (3750, 5175)]