18386720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 49061376

約数和(自身を除く): 30674656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 337, 341, 352, 440, 496, 620, 674, 682, 880, 992, 1240, 1348, 1364, 1685, 1705, 1760, 2480, 2696, 2728, 3370, 3410, 3707, 4960, 5392, 5456, 6740, 6820, 7414, 10447, 10784, 10912, 13480, 13640, 14828, 18535, 20894, 26960, 27280, 29656, 37070, 41788, 52235, 53920, 54560, 59312, 74140, 83576, 104470, 114917, 118624, 148280, 167152, 208940, 229834, 296560, 334304, 417880, 459668, 574585, 593120, 835760, 919336, 1149170, 1671520, 1838672, 2298340, 3677344, 4596680, 9193360, 18386720]

約数ペア:

[(1, 18386720), (2, 9193360), (4, 4596680), (5, 3677344), (8, 2298340), (10, 1838672), (11, 1671520), (16, 1149170), (20, 919336), (22, 835760), (31, 593120), (32, 574585), (40, 459668), (44, 417880), (55, 334304), (62, 296560), (80, 229834), (88, 208940), (110, 167152), (124, 148280), (155, 118624), (160, 114917), (176, 104470), (220, 83576), (248, 74140), (310, 59312), (337, 54560), (341, 53920), (352, 52235), (440, 41788), (496, 37070), (620, 29656), (674, 27280), (682, 26960), (880, 20894), (992, 18535), (1240, 14828), (1348, 13640), (1364, 13480), (1685, 10912), (1705, 10784), (1760, 10447), (2480, 7414), (2696, 6820), (2728, 6740), (3370, 5456), (3410, 5392), (3707, 4960)]