18441400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 47318400

約数和(自身を除く): 28877000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 25, 38, 40, 46, 50, 76, 92, 95, 100, 115, 152, 184, 190, 200, 211, 230, 380, 422, 437, 460, 475, 575, 760, 844, 874, 920, 950, 1055, 1150, 1688, 1748, 1900, 2110, 2185, 2300, 3496, 3800, 4009, 4220, 4370, 4600, 4853, 5275, 8018, 8440, 8740, 9706, 10550, 10925, 16036, 17480, 19412, 20045, 21100, 21850, 24265, 32072, 38824, 40090, 42200, 43700, 48530, 80180, 87400, 92207, 97060, 100225, 121325, 160360, 184414, 194120, 200450, 242650, 368828, 400900, 461035, 485300, 737656, 801800, 922070, 970600, 1844140, 2305175, 3688280, 4610350, 9220700, 18441400]

約数ペア:

[(1, 18441400), (2, 9220700), (4, 4610350), (5, 3688280), (8, 2305175), (10, 1844140), (19, 970600), (20, 922070), (23, 801800), (25, 737656), (38, 485300), (40, 461035), (46, 400900), (50, 368828), (76, 242650), (92, 200450), (95, 194120), (100, 184414), (115, 160360), (152, 121325), (184, 100225), (190, 97060), (200, 92207), (211, 87400), (230, 80180), (380, 48530), (422, 43700), (437, 42200), (460, 40090), (475, 38824), (575, 32072), (760, 24265), (844, 21850), (874, 21100), (920, 20045), (950, 19412), (1055, 17480), (1150, 16036), (1688, 10925), (1748, 10550), (1900, 9706), (2110, 8740), (2185, 8440), (2300, 8018), (3496, 5275), (3800, 4853), (4009, 4600), (4220, 4370)]