2018181140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{90017}}^1$

素因数の和:90104

約数の個数: 48

約数和(自身を含む): 4536907200

約数和(自身を除く): 2518726060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 11210, 22420, 90017, 180034, 360068, 450085, 900170, 1710323, 1800340, 3420646, 5311003, 6841292, 8551615, 10622006, 17103230, 21244012, 26555015, 34206460, 53110030, 100909057, 106220060, 201818114, 403636228, 504545285, 1009090570, 2018181140]

約数ペア:

[(1, 2018181140), (2, 1009090570), (4, 504545285), (5, 403636228), (10, 201818114), (19, 106220060), (20, 100909057), (38, 53110030), (59, 34206460), (76, 26555015), (95, 21244012), (118, 17103230), (190, 10622006), (236, 8551615), (295, 6841292), (380, 5311003), (590, 3420646), (1121, 1800340), (1180, 1710323), (2242, 900170), (4484, 450085), (5605, 360068), (11210, 180034), (22420, 90017)]