19773550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 39921552

約数和(自身を除く): 20148002

約数列:

[1, 2, 5, 10, 17, 25, 34, 43, 50, 85, 86, 170, 215, 425, 430, 541, 731, 850, 1075, 1082, 1462, 2150, 2705, 3655, 5410, 7310, 9197, 13525, 18275, 18394, 23263, 27050, 36550, 45985, 46526, 91970, 116315, 229925, 232630, 395471, 459850, 581575, 790942, 1163150, 1977355, 3954710, 9886775, 19773550]

約数ペア:

[(1, 19773550), (2, 9886775), (5, 3954710), (10, 1977355), (17, 1163150), (25, 790942), (34, 581575), (43, 459850), (50, 395471), (85, 232630), (86, 229925), (170, 116315), (215, 91970), (425, 46526), (430, 45985), (541, 36550), (731, 27050), (850, 23263), (1075, 18394), (1082, 18275), (1462, 13525), (2150, 9197), (2705, 7310), (3655, 5410)]