1866649072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 3889036800

約数和(自身を除く): 2022387728

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 197, 284, 304, 394, 439, 568, 788, 878, 1136, 1349, 1576, 1756, 2698, 3152, 3512, 3743, 5396, 7024, 7486, 8341, 10792, 13987, 14972, 16682, 21584, 27974, 29944, 31169, 33364, 55948, 59888, 62338, 66728, 86483, 111896, 124676, 133456, 172966, 223792, 249352, 265753, 345932, 498704, 531506, 592211, 691864, 1063012, 1184422, 1383728, 1643177, 2126024, 2368844, 3286354, 4252048, 4737688, 6140293, 6572708, 9475376, 12280586, 13145416, 24561172, 26290832, 49122344, 98244688, 116665567, 233331134, 466662268, 933324536, 1866649072]

約数ペア:

[(1, 1866649072), (2, 933324536), (4, 466662268), (8, 233331134), (16, 116665567), (19, 98244688), (38, 49122344), (71, 26290832), (76, 24561172), (142, 13145416), (152, 12280586), (197, 9475376), (284, 6572708), (304, 6140293), (394, 4737688), (439, 4252048), (568, 3286354), (788, 2368844), (878, 2126024), (1136, 1643177), (1349, 1383728), (1576, 1184422), (1756, 1063012), (2698, 691864), (3152, 592211), (3512, 531506), (3743, 498704), (5396, 345932), (7024, 265753), (7486, 249352), (8341, 223792), (10792, 172966), (13987, 133456), (14972, 124676), (16682, 111896), (21584, 86483), (27974, 66728), (29944, 62338), (31169, 59888), (33364, 55948)]