2019147955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 2897694720

約数和(自身を除く): 878546765

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 157, 209, 341, 397, 589, 785, 1045, 1705, 1727, 1985, 2945, 2983, 4367, 4867, 6479, 7543, 8635, 12307, 14915, 21835, 24335, 32395, 32813, 37715, 53537, 61535, 62329, 82973, 92473, 135377, 164065, 233833, 267685, 311645, 414865, 462365, 676885, 685619, 1017203, 1169165, 1184251, 1932199, 2572163, 3428095, 5086015, 5921255, 9660995, 12860815, 13026761, 21254189, 36711781, 65133805, 106270945, 183558905, 403829591, 2019147955]

約数ペア:

[(1, 2019147955), (5, 403829591), (11, 183558905), (19, 106270945), (31, 65133805), (55, 36711781), (95, 21254189), (155, 13026761), (157, 12860815), (209, 9660995), (341, 5921255), (397, 5086015), (589, 3428095), (785, 2572163), (1045, 1932199), (1705, 1184251), (1727, 1169165), (1985, 1017203), (2945, 685619), (2983, 676885), (4367, 462365), (4867, 414865), (6479, 311645), (7543, 267685), (8635, 233833), (12307, 164065), (14915, 135377), (21835, 92473), (24335, 82973), (32395, 62329), (32813, 61535), (37715, 53537)]