18878652

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 108

約数和(自身を含む): 53955720

約数和(自身を除く): 35077068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 107, 116, 117, 156, 169, 174, 214, 234, 261, 321, 338, 348, 377, 428, 468, 507, 522, 642, 676, 754, 963, 1014, 1044, 1131, 1284, 1391, 1508, 1521, 1926, 2028, 2262, 2782, 3042, 3103, 3393, 3852, 4173, 4524, 4901, 5564, 6084, 6206, 6786, 8346, 9309, 9802, 12412, 12519, 13572, 14703, 16692, 18083, 18618, 19604, 25038, 27927, 29406, 36166, 37236, 40339, 44109, 50076, 54249, 55854, 58812, 72332, 80678, 88218, 108498, 111708, 121017, 161356, 162747, 176436, 216996, 242034, 325494, 363051, 484068, 524407, 650988, 726102, 1048814, 1452204, 1573221, 2097628, 3146442, 4719663, 6292884, 9439326, 18878652]

約数ペア:

[(1, 18878652), (2, 9439326), (3, 6292884), (4, 4719663), (6, 3146442), (9, 2097628), (12, 1573221), (13, 1452204), (18, 1048814), (26, 726102), (29, 650988), (36, 524407), (39, 484068), (52, 363051), (58, 325494), (78, 242034), (87, 216996), (107, 176436), (116, 162747), (117, 161356), (156, 121017), (169, 111708), (174, 108498), (214, 88218), (234, 80678), (261, 72332), (321, 58812), (338, 55854), (348, 54249), (377, 50076), (428, 44109), (468, 40339), (507, 37236), (522, 36166), (642, 29406), (676, 27927), (754, 25038), (963, 19604), (1014, 18618), (1044, 18083), (1131, 16692), (1284, 14703), (1391, 13572), (1508, 12519), (1521, 12412), (1926, 9802), (2028, 9309), (2262, 8346), (2782, 6786), (3042, 6206), (3103, 6084), (3393, 5564), (3852, 4901), (4173, 4524)]