19252125

素因数分解:

$3^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 35246640

約数和(自身を除く): 15994515

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 125, 157, 225, 327, 375, 471, 545, 785, 981, 1125, 1413, 1635, 2355, 2725, 3925, 4905, 7065, 8175, 11775, 13625, 17113, 19625, 24525, 35325, 40875, 51339, 58875, 85565, 122625, 154017, 176625, 256695, 427825, 770085, 1283475, 2139125, 3850425, 6417375, 19252125]

約数ペア:

[(1, 19252125), (3, 6417375), (5, 3850425), (9, 2139125), (15, 1283475), (25, 770085), (45, 427825), (75, 256695), (109, 176625), (125, 154017), (157, 122625), (225, 85565), (327, 58875), (375, 51339), (471, 40875), (545, 35325), (785, 24525), (981, 19625), (1125, 17113), (1413, 13625), (1635, 11775), (2355, 8175), (2725, 7065), (3925, 4905)]