19157895

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 35717760

約数和(自身を除く): 16559865

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 79, 85, 153, 237, 255, 317, 395, 711, 765, 951, 1185, 1343, 1585, 2853, 3555, 4029, 4755, 5389, 6715, 12087, 14265, 16167, 20145, 25043, 26945, 48501, 60435, 75129, 80835, 125215, 225387, 242505, 375645, 425731, 1126935, 1277193, 2128655, 3831579, 6385965, 19157895]

約数ペア:

[(1, 19157895), (3, 6385965), (5, 3831579), (9, 2128655), (15, 1277193), (17, 1126935), (45, 425731), (51, 375645), (79, 242505), (85, 225387), (153, 125215), (237, 80835), (255, 75129), (317, 60435), (395, 48501), (711, 26945), (765, 25043), (951, 20145), (1185, 16167), (1343, 14265), (1585, 12087), (2853, 6715), (3555, 5389), (4029, 4755)]