20178962388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2269339}}^1$

素因数の和:2269381

約数の個数: 72

約数和(自身を含む): 57822783200

約数和(自身を除く): 37643820812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 2269339, 4538678, 6808017, 9077356, 13616034, 20424051, 27232068, 29501407, 40848102, 43117441, 59002814, 81696204, 86234882, 88504221, 118005628, 129352323, 172469764, 177008442, 258704646, 265512663, 354016884, 388056969, 517409292, 531025326, 560526733, 776113938, 1062050652, 1121053466, 1552227876, 1681580199, 2242106932, 3363160398, 5044740597, 6726320796, 10089481194, 20178962388]

約数ペア:

[(1, 20178962388), (2, 10089481194), (3, 6726320796), (4, 5044740597), (6, 3363160398), (9, 2242106932), (12, 1681580199), (13, 1552227876), (18, 1121053466), (19, 1062050652), (26, 776113938), (36, 560526733), (38, 531025326), (39, 517409292), (52, 388056969), (57, 354016884), (76, 265512663), (78, 258704646), (114, 177008442), (117, 172469764), (156, 129352323), (171, 118005628), (228, 88504221), (234, 86234882), (247, 81696204), (342, 59002814), (468, 43117441), (494, 40848102), (684, 29501407), (741, 27232068), (988, 20424051), (1482, 13616034), (2223, 9077356), (2964, 6808017), (4446, 4538678), (8892, 2269339)]