2018011964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{1319}}^1$

素因数の和:1874

約数の個数: 48

約数和(自身を含む): 3818707200

約数和(自身を除く): 1800695236

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 491, 779, 982, 1319, 1558, 1964, 2638, 3116, 5276, 9329, 18658, 20131, 25061, 37316, 40262, 50122, 54079, 80524, 100244, 108158, 216316, 382489, 647629, 764978, 1027501, 1295258, 1529956, 2055002, 2590516, 4110004, 12304951, 24609902, 26552789, 49219804, 53105578, 106211156, 504502991, 1009005982, 2018011964]

約数ペア:

[(1, 2018011964), (2, 1009005982), (4, 504502991), (19, 106211156), (38, 53105578), (41, 49219804), (76, 26552789), (82, 24609902), (164, 12304951), (491, 4110004), (779, 2590516), (982, 2055002), (1319, 1529956), (1558, 1295258), (1964, 1027501), (2638, 764978), (3116, 647629), (5276, 382489), (9329, 216316), (18658, 108158), (20131, 100244), (25061, 80524), (37316, 54079), (40262, 50122)]