19383980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 52157952

約数和(自身を除く): 32773972

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 140, 154, 164, 205, 220, 287, 307, 308, 385, 410, 451, 574, 614, 770, 820, 902, 1148, 1228, 1435, 1535, 1540, 1804, 2149, 2255, 2870, 3070, 3157, 3377, 4298, 4510, 5740, 6140, 6314, 6754, 8596, 9020, 10745, 12587, 12628, 13508, 15785, 16885, 21490, 23639, 25174, 31570, 33770, 42980, 47278, 50348, 62935, 63140, 67540, 88109, 94556, 118195, 125870, 138457, 176218, 236390, 251740, 276914, 352436, 440545, 472780, 553828, 692285, 881090, 969199, 1384570, 1762180, 1938398, 2769140, 3876796, 4845995, 9691990, 19383980]

約数ペア:

[(1, 19383980), (2, 9691990), (4, 4845995), (5, 3876796), (7, 2769140), (10, 1938398), (11, 1762180), (14, 1384570), (20, 969199), (22, 881090), (28, 692285), (35, 553828), (41, 472780), (44, 440545), (55, 352436), (70, 276914), (77, 251740), (82, 236390), (110, 176218), (140, 138457), (154, 125870), (164, 118195), (205, 94556), (220, 88109), (287, 67540), (307, 63140), (308, 62935), (385, 50348), (410, 47278), (451, 42980), (574, 33770), (614, 31570), (770, 25174), (820, 23639), (902, 21490), (1148, 16885), (1228, 15785), (1435, 13508), (1535, 12628), (1540, 12587), (1804, 10745), (2149, 9020), (2255, 8596), (2870, 6754), (3070, 6314), (3157, 6140), (3377, 5740), (4298, 4510)]