18882825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 15239991

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 107, 181, 195, 321, 325, 535, 543, 905, 975, 1391, 1605, 2353, 2675, 2715, 4173, 4525, 6955, 7059, 8025, 11765, 13575, 19367, 20865, 34775, 35295, 58101, 58825, 96835, 104325, 176475, 251771, 290505, 484175, 755313, 1258855, 1452525, 3776565, 6294275, 18882825]

約数ペア:

[(1, 18882825), (3, 6294275), (5, 3776565), (13, 1452525), (15, 1258855), (25, 755313), (39, 484175), (65, 290505), (75, 251771), (107, 176475), (181, 104325), (195, 96835), (321, 58825), (325, 58101), (535, 35295), (543, 34775), (905, 20865), (975, 19367), (1391, 13575), (1605, 11765), (2353, 8025), (2675, 7059), (2715, 6955), (4173, 4525)]