18517362215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7741}}^1$

素因数の和:7872

約数の個数: 64

約数和(自身を含む): 26542301184

約数和(自身を除く): 8024938969

約数列:

[1, 5, 11, 23, 31, 55, 61, 115, 155, 253, 305, 341, 671, 713, 1265, 1403, 1705, 1891, 3355, 3565, 7015, 7741, 7843, 9455, 15433, 20801, 38705, 39215, 43493, 77165, 85151, 104005, 178043, 217465, 239971, 425755, 472201, 478423, 890215, 1199855, 1958473, 2361005, 2392115, 2639681, 5194211, 5519333, 9792365, 10860623, 13198405, 14638231, 25971055, 27596665, 54303115, 60712663, 73191155, 119466853, 161020541, 303563315, 336679313, 597334265, 805102705, 1683396565, 3703472443, 18517362215]

約数ペア:

[(1, 18517362215), (5, 3703472443), (11, 1683396565), (23, 805102705), (31, 597334265), (55, 336679313), (61, 303563315), (115, 161020541), (155, 119466853), (253, 73191155), (305, 60712663), (341, 54303115), (671, 27596665), (713, 25971055), (1265, 14638231), (1403, 13198405), (1705, 10860623), (1891, 9792365), (3355, 5519333), (3565, 5194211), (7015, 2639681), (7741, 2392115), (7843, 2361005), (9455, 1958473), (15433, 1199855), (20801, 890215), (38705, 478423), (39215, 472201), (43493, 425755), (77165, 239971), (85151, 217465), (104005, 178043)]