18998826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 52254720

約数和(自身を除く): 33255894

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 41, 42, 51, 59, 66, 77, 82, 102, 118, 119, 123, 154, 177, 187, 231, 238, 246, 287, 354, 357, 374, 413, 451, 462, 561, 574, 649, 697, 714, 826, 861, 902, 1003, 1122, 1239, 1298, 1309, 1353, 1394, 1722, 1947, 2006, 2091, 2419, 2478, 2618, 2706, 3009, 3157, 3894, 3927, 4182, 4543, 4838, 4879, 6018, 6314, 7021, 7257, 7667, 7854, 9086, 9471, 9758, 11033, 13629, 14042, 14514, 14637, 15334, 16933, 18942, 21063, 22066, 23001, 26609, 27258, 29274, 33099, 33866, 41123, 42126, 46002, 50799, 53218, 53669, 66198, 77231, 79827, 82246, 101598, 107338, 123369, 154462, 159654, 161007, 186263, 231693, 246738, 287861, 322014, 372526, 452353, 463386, 558789, 575722, 863583, 904706, 1117578, 1357059, 1727166, 2714118, 3166471, 6332942, 9499413, 18998826]

約数ペア:

[(1, 18998826), (2, 9499413), (3, 6332942), (6, 3166471), (7, 2714118), (11, 1727166), (14, 1357059), (17, 1117578), (21, 904706), (22, 863583), (33, 575722), (34, 558789), (41, 463386), (42, 452353), (51, 372526), (59, 322014), (66, 287861), (77, 246738), (82, 231693), (102, 186263), (118, 161007), (119, 159654), (123, 154462), (154, 123369), (177, 107338), (187, 101598), (231, 82246), (238, 79827), (246, 77231), (287, 66198), (354, 53669), (357, 53218), (374, 50799), (413, 46002), (451, 42126), (462, 41123), (561, 33866), (574, 33099), (649, 29274), (697, 27258), (714, 26609), (826, 23001), (861, 22066), (902, 21063), (1003, 18942), (1122, 16933), (1239, 15334), (1298, 14637), (1309, 14514), (1353, 14042), (1394, 13629), (1722, 11033), (1947, 9758), (2006, 9471), (2091, 9086), (2419, 7854), (2478, 7667), (2618, 7257), (2706, 7021), (3009, 6314), (3157, 6018), (3894, 4879), (3927, 4838), (4182, 4543)]