19388226

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 27060414

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 59, 66, 78, 118, 143, 177, 286, 354, 383, 429, 649, 766, 767, 858, 1149, 1298, 1534, 1947, 2298, 2301, 3894, 4213, 4602, 4979, 8426, 8437, 9958, 12639, 14937, 16874, 22597, 25278, 25311, 29874, 45194, 50622, 54769, 67791, 109538, 135582, 164307, 248567, 293761, 328614, 497134, 587522, 745701, 881283, 1491402, 1762566, 3231371, 6462742, 9694113, 19388226]

約数ペア:

[(1, 19388226), (2, 9694113), (3, 6462742), (6, 3231371), (11, 1762566), (13, 1491402), (22, 881283), (26, 745701), (33, 587522), (39, 497134), (59, 328614), (66, 293761), (78, 248567), (118, 164307), (143, 135582), (177, 109538), (286, 67791), (354, 54769), (383, 50622), (429, 45194), (649, 29874), (766, 25311), (767, 25278), (858, 22597), (1149, 16874), (1298, 14937), (1534, 12639), (1947, 9958), (2298, 8437), (2301, 8426), (3894, 4979), (4213, 4602)]