19440486

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 50083488

約数和(自身を除く): 30643002

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 81, 102, 117, 153, 162, 181, 221, 234, 243, 306, 351, 362, 442, 459, 486, 543, 663, 702, 918, 1053, 1086, 1326, 1377, 1629, 1989, 2106, 2353, 2754, 3077, 3159, 3258, 3978, 4131, 4706, 4887, 5967, 6154, 6318, 7059, 8262, 9231, 9774, 11934, 14118, 14661, 17901, 18462, 21177, 27693, 29322, 35802, 40001, 42354, 43983, 53703, 55386, 63531, 80002, 83079, 87966, 107406, 120003, 127062, 166158, 190593, 240006, 249237, 360009, 381186, 498474, 571779, 720018, 747711, 1080027, 1143558, 1495422, 2160054, 3240081, 6480162, 9720243, 19440486]

約数ペア:

[(1, 19440486), (2, 9720243), (3, 6480162), (6, 3240081), (9, 2160054), (13, 1495422), (17, 1143558), (18, 1080027), (26, 747711), (27, 720018), (34, 571779), (39, 498474), (51, 381186), (54, 360009), (78, 249237), (81, 240006), (102, 190593), (117, 166158), (153, 127062), (162, 120003), (181, 107406), (221, 87966), (234, 83079), (243, 80002), (306, 63531), (351, 55386), (362, 53703), (442, 43983), (459, 42354), (486, 40001), (543, 35802), (663, 29322), (702, 27693), (918, 21177), (1053, 18462), (1086, 17901), (1326, 14661), (1377, 14118), (1629, 11934), (1989, 9774), (2106, 9231), (2353, 8262), (2754, 7059), (3077, 6318), (3159, 6154), (3258, 5967), (3978, 4887), (4131, 4706)]