19538118

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 46368000

約数和(自身を除く): 26829882

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 137, 139, 171, 274, 278, 342, 411, 417, 513, 822, 834, 1026, 1233, 1251, 2466, 2502, 2603, 2641, 3699, 3753, 5206, 5282, 7398, 7506, 7809, 7923, 15618, 15846, 19043, 23427, 23769, 38086, 46854, 47538, 57129, 70281, 71307, 114258, 140562, 142614, 171387, 342774, 361817, 514161, 723634, 1028322, 1085451, 2170902, 3256353, 6512706, 9769059, 19538118]

約数ペア:

[(1, 19538118), (2, 9769059), (3, 6512706), (6, 3256353), (9, 2170902), (18, 1085451), (19, 1028322), (27, 723634), (38, 514161), (54, 361817), (57, 342774), (114, 171387), (137, 142614), (139, 140562), (171, 114258), (274, 71307), (278, 70281), (342, 57129), (411, 47538), (417, 46854), (513, 38086), (822, 23769), (834, 23427), (1026, 19043), (1233, 15846), (1251, 15618), (2466, 7923), (2502, 7809), (2603, 7506), (2641, 7398), (3699, 5282), (3753, 5206)]