19695390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4591}}^1$

素因数の和:4625

約数の個数: 64

約数和(自身を含む): 55544832

約数和(自身を除く): 35849442

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4591, 9182, 13773, 22955, 27546, 45910, 50501, 59683, 68865, 101002, 119366, 137730, 151503, 179049, 252505, 298415, 303006, 358098, 505010, 596830, 656513, 757515, 895245, 1313026, 1515030, 1790490, 1969539, 3282565, 3939078, 6565130, 9847695, 19695390]

約数ペア:

[(1, 19695390), (2, 9847695), (3, 6565130), (5, 3939078), (6, 3282565), (10, 1969539), (11, 1790490), (13, 1515030), (15, 1313026), (22, 895245), (26, 757515), (30, 656513), (33, 596830), (39, 505010), (55, 358098), (65, 303006), (66, 298415), (78, 252505), (110, 179049), (130, 151503), (143, 137730), (165, 119366), (195, 101002), (286, 68865), (330, 59683), (390, 50501), (429, 45910), (715, 27546), (858, 22955), (1430, 13773), (2145, 9182), (4290, 4591)]