18480039425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^2\times {\mathrm{163}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 25051593024

約数和(自身を除く): 6571553599

約数列:

[1, 5, 23, 25, 37, 73, 115, 163, 185, 365, 575, 815, 851, 925, 1679, 1825, 2701, 3749, 4075, 4255, 5329, 6031, 8395, 11899, 13505, 18745, 21275, 26645, 30155, 41975, 59495, 62123, 67525, 93725, 122567, 133225, 138713, 150775, 197173, 273677, 297475, 310615, 440263, 612835, 693565, 868627, 985865, 1368385, 1553075, 2201315, 3064175, 3467825, 4343135, 4534979, 4929325, 6841925, 10126049, 11006575, 19978421, 21715675, 22674895, 32139199, 50630245, 99892105, 113374475, 160695995, 253151225, 499460525, 739201577, 803479975, 3696007885, 18480039425]

約数ペア:

[(1, 18480039425), (5, 3696007885), (23, 803479975), (25, 739201577), (37, 499460525), (73, 253151225), (115, 160695995), (163, 113374475), (185, 99892105), (365, 50630245), (575, 32139199), (815, 22674895), (851, 21715675), (925, 19978421), (1679, 11006575), (1825, 10126049), (2701, 6841925), (3749, 4929325), (4075, 4534979), (4255, 4343135), (5329, 3467825), (6031, 3064175), (8395, 2201315), (11899, 1553075), (13505, 1368385), (18745, 985865), (21275, 868627), (26645, 693565), (30155, 612835), (41975, 440263), (59495, 310615), (62123, 297475), (67525, 273677), (93725, 197173), (122567, 150775), (133225, 138713)]