18138692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 39278400

約数和(自身を除く): 21139708

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1669, 2717, 3338, 5434, 6676, 10868, 18359, 21697, 31711, 36718, 43394, 63422, 73436, 86788, 126844, 238667, 348821, 412243, 477334, 697642, 824486, 954668, 1395284, 1648972, 4534673, 9069346, 18138692]

約数ペア:

[(1, 18138692), (2, 9069346), (4, 4534673), (11, 1648972), (13, 1395284), (19, 954668), (22, 824486), (26, 697642), (38, 477334), (44, 412243), (52, 348821), (76, 238667), (143, 126844), (209, 86788), (247, 73436), (286, 63422), (418, 43394), (494, 36718), (572, 31711), (836, 21697), (988, 18359), (1669, 10868), (2717, 6676), (3338, 5434)]