18254925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:187

約数の個数: 54

約数和(自身を含む): 35663082

約数和(自身を除く): 17408157

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 79, 117, 195, 225, 237, 325, 395, 585, 711, 975, 1027, 1185, 1975, 2925, 3081, 3555, 5135, 5925, 6241, 9243, 15405, 17775, 18723, 25675, 31205, 46215, 56169, 77025, 81133, 93615, 156025, 231075, 243399, 280845, 405665, 468075, 730197, 1216995, 1404225, 2028325, 3650985, 6084975, 18254925]

約数ペア:

[(1, 18254925), (3, 6084975), (5, 3650985), (9, 2028325), (13, 1404225), (15, 1216995), (25, 730197), (39, 468075), (45, 405665), (65, 280845), (75, 243399), (79, 231075), (117, 156025), (195, 93615), (225, 81133), (237, 77025), (325, 56169), (395, 46215), (585, 31205), (711, 25675), (975, 18723), (1027, 17775), (1185, 15405), (1975, 9243), (2925, 6241), (3081, 5925), (3555, 5135)]