19128375

素因数分解:

$3^2\times 5^3\times 7^2\times {\mathrm{347}}^1$

素因数の和:382

約数の個数: 72

約数和(自身を含む): 40227408

約数和(自身を除く): 21099033

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 125, 147, 175, 225, 245, 315, 347, 375, 441, 525, 735, 875, 1041, 1125, 1225, 1575, 1735, 2205, 2429, 2625, 3123, 3675, 5205, 6125, 7287, 7875, 8675, 11025, 12145, 15615, 17003, 18375, 21861, 26025, 36435, 43375, 51009, 55125, 60725, 78075, 85015, 109305, 130125, 153027, 182175, 255045, 303625, 390375, 425075, 546525, 765135, 910875, 1275225, 2125375, 2732625, 3825675, 6376125, 19128375]

約数ペア:

[(1, 19128375), (3, 6376125), (5, 3825675), (7, 2732625), (9, 2125375), (15, 1275225), (21, 910875), (25, 765135), (35, 546525), (45, 425075), (49, 390375), (63, 303625), (75, 255045), (105, 182175), (125, 153027), (147, 130125), (175, 109305), (225, 85015), (245, 78075), (315, 60725), (347, 55125), (375, 51009), (441, 43375), (525, 36435), (735, 26025), (875, 21861), (1041, 18375), (1125, 17003), (1225, 15615), (1575, 12145), (1735, 11025), (2205, 8675), (2429, 7875), (2625, 7287), (3123, 6125), (3675, 5205)]