18798975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6427}}^1$

素因数の和:6456

約数の個数: 36

約数和(自身を含む): 36266776

約数和(自身を除く): 17467801

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6427, 19281, 32135, 57843, 83551, 96405, 160675, 250653, 289215, 417755, 482025, 751959, 1253265, 1446075, 2088775, 3759795, 6266325, 18798975]

約数ペア:

[(1, 18798975), (3, 6266325), (5, 3759795), (9, 2088775), (13, 1446075), (15, 1253265), (25, 751959), (39, 482025), (45, 417755), (65, 289215), (75, 250653), (117, 160675), (195, 96405), (225, 83551), (325, 57843), (585, 32135), (975, 19281), (2925, 6427)]