19006981777

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1\times {\mathrm{617}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 22201724160

約数和(自身を除く): 3194742383

約数列:

[1, 7, 89, 197, 251, 617, 623, 1379, 1757, 4319, 17533, 22339, 49447, 54913, 121549, 122731, 154867, 156373, 346129, 384391, 850843, 1084069, 4400783, 10817861, 13783163, 30508799, 30805481, 75725027, 96482141, 213561593, 2715283111, 19006981777]

約数ペア:

[(1, 19006981777), (7, 2715283111), (89, 213561593), (197, 96482141), (251, 75725027), (617, 30805481), (623, 30508799), (1379, 13783163), (1757, 10817861), (4319, 4400783), (17533, 1084069), (22339, 850843), (49447, 384391), (54913, 346129), (121549, 156373), (122731, 154867)]