19141850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 44676828

約数和(自身を除く): 25534978

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 601, 637, 650, 910, 1202, 1225, 1274, 2275, 2450, 3005, 3185, 4207, 4550, 6010, 6370, 7813, 8414, 15025, 15626, 15925, 21035, 29449, 30050, 31850, 39065, 42070, 54691, 58898, 78130, 105175, 109382, 147245, 195325, 210350, 273455, 294490, 382837, 390650, 546910, 736225, 765674, 1367275, 1472450, 1914185, 2734550, 3828370, 9570925, 19141850]

約数ペア:

[(1, 19141850), (2, 9570925), (5, 3828370), (7, 2734550), (10, 1914185), (13, 1472450), (14, 1367275), (25, 765674), (26, 736225), (35, 546910), (49, 390650), (50, 382837), (65, 294490), (70, 273455), (91, 210350), (98, 195325), (130, 147245), (175, 109382), (182, 105175), (245, 78130), (325, 58898), (350, 54691), (455, 42070), (490, 39065), (601, 31850), (637, 30050), (650, 29449), (910, 21035), (1202, 15925), (1225, 15626), (1274, 15025), (2275, 8414), (2450, 7813), (3005, 6370), (3185, 6010), (4207, 4550)]