19477125

素因数分解:

$3^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 37440000

約数和(自身を除く): 17962875

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 125, 135, 145, 199, 225, 261, 375, 435, 597, 675, 725, 783, 995, 1125, 1305, 1791, 2175, 2985, 3375, 3625, 3915, 4975, 5373, 5771, 6525, 8955, 10875, 14925, 17313, 19575, 24875, 26865, 28855, 32625, 44775, 51939, 74625, 86565, 97875, 134325, 144275, 155817, 223875, 259695, 432825, 671625, 721375, 779085, 1298475, 2164125, 3895425, 6492375, 19477125]

約数ペア:

[(1, 19477125), (3, 6492375), (5, 3895425), (9, 2164125), (15, 1298475), (25, 779085), (27, 721375), (29, 671625), (45, 432825), (75, 259695), (87, 223875), (125, 155817), (135, 144275), (145, 134325), (199, 97875), (225, 86565), (261, 74625), (375, 51939), (435, 44775), (597, 32625), (675, 28855), (725, 26865), (783, 24875), (995, 19575), (1125, 17313), (1305, 14925), (1791, 10875), (2175, 8955), (2985, 6525), (3375, 5771), (3625, 5373), (3915, 4975)]