19140225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 34706112

約数和(自身を除く): 15565887

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 67, 75, 195, 201, 293, 325, 335, 871, 879, 975, 1005, 1465, 1675, 2613, 3809, 4355, 4395, 5025, 7325, 11427, 13065, 19045, 19631, 21775, 21975, 57135, 58893, 65325, 95225, 98155, 255203, 285675, 294465, 490775, 765609, 1276015, 1472325, 3828045, 6380075, 19140225]

約数ペア:

[(1, 19140225), (3, 6380075), (5, 3828045), (13, 1472325), (15, 1276015), (25, 765609), (39, 490775), (65, 294465), (67, 285675), (75, 255203), (195, 98155), (201, 95225), (293, 65325), (325, 58893), (335, 57135), (871, 21975), (879, 21775), (975, 19631), (1005, 19045), (1465, 13065), (1675, 11427), (2613, 7325), (3809, 5025), (4355, 4395)]