18421676

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 42426720

約数和(自身を除く): 24005044

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 169, 182, 221, 229, 238, 338, 364, 442, 458, 476, 676, 884, 916, 1183, 1547, 1603, 2366, 2873, 2977, 3094, 3206, 3893, 4732, 5746, 5954, 6188, 6412, 7786, 11492, 11908, 15572, 20111, 20839, 27251, 38701, 40222, 41678, 50609, 54502, 77402, 80444, 83356, 101218, 109004, 154804, 202436, 270907, 354263, 541814, 657917, 708526, 1083628, 1315834, 1417052, 2631668, 4605419, 9210838, 18421676]

約数ペア:

[(1, 18421676), (2, 9210838), (4, 4605419), (7, 2631668), (13, 1417052), (14, 1315834), (17, 1083628), (26, 708526), (28, 657917), (34, 541814), (52, 354263), (68, 270907), (91, 202436), (119, 154804), (169, 109004), (182, 101218), (221, 83356), (229, 80444), (238, 77402), (338, 54502), (364, 50609), (442, 41678), (458, 40222), (476, 38701), (676, 27251), (884, 20839), (916, 20111), (1183, 15572), (1547, 11908), (1603, 11492), (2366, 7786), (2873, 6412), (2977, 6188), (3094, 5954), (3206, 5746), (3893, 4732)]