19327425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 35289408

約数和(自身を除く): 15961983

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 461, 559, 645, 975, 1075, 1383, 1677, 2305, 2795, 3225, 5993, 6915, 8385, 11525, 13975, 17979, 19823, 29965, 34575, 41925, 59469, 89895, 99115, 149825, 257699, 297345, 449475, 495575, 773097, 1288495, 1486725, 3865485, 6442475, 19327425]

約数ペア:

[(1, 19327425), (3, 6442475), (5, 3865485), (13, 1486725), (15, 1288495), (25, 773097), (39, 495575), (43, 449475), (65, 297345), (75, 257699), (129, 149825), (195, 99115), (215, 89895), (325, 59469), (461, 41925), (559, 34575), (645, 29965), (975, 19823), (1075, 17979), (1383, 13975), (1677, 11525), (2305, 8385), (2795, 6915), (3225, 5993)]