18137790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 54743040

約数和(自身を除く): 36605250

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 90, 93, 99, 110, 135, 155, 165, 186, 197, 198, 270, 279, 297, 310, 330, 341, 394, 465, 495, 558, 591, 594, 682, 837, 930, 985, 990, 1023, 1182, 1395, 1485, 1674, 1705, 1773, 1970, 2046, 2167, 2790, 2955, 2970, 3069, 3410, 3546, 4185, 4334, 5115, 5319, 5910, 6107, 6138, 6501, 8370, 8865, 9207, 10230, 10638, 10835, 12214, 13002, 15345, 17730, 18321, 18414, 19503, 21670, 26595, 30535, 30690, 32505, 36642, 39006, 46035, 53190, 54963, 58509, 61070, 65010, 67177, 91605, 92070, 97515, 109926, 117018, 134354, 164889, 183210, 195030, 201531, 274815, 292545, 329778, 335885, 403062, 549630, 585090, 604593, 671770, 824445, 1007655, 1209186, 1648890, 1813779, 2015310, 3022965, 3627558, 6045930, 9068895, 18137790]

約数ペア:

[(1, 18137790), (2, 9068895), (3, 6045930), (5, 3627558), (6, 3022965), (9, 2015310), (10, 1813779), (11, 1648890), (15, 1209186), (18, 1007655), (22, 824445), (27, 671770), (30, 604593), (31, 585090), (33, 549630), (45, 403062), (54, 335885), (55, 329778), (62, 292545), (66, 274815), (90, 201531), (93, 195030), (99, 183210), (110, 164889), (135, 134354), (155, 117018), (165, 109926), (186, 97515), (197, 92070), (198, 91605), (270, 67177), (279, 65010), (297, 61070), (310, 58509), (330, 54963), (341, 53190), (394, 46035), (465, 39006), (495, 36642), (558, 32505), (591, 30690), (594, 30535), (682, 26595), (837, 21670), (930, 19503), (985, 18414), (990, 18321), (1023, 17730), (1182, 15345), (1395, 13002), (1485, 12214), (1674, 10835), (1705, 10638), (1773, 10230), (1970, 9207), (2046, 8865), (2167, 8370), (2790, 6501), (2955, 6138), (2970, 6107), (3069, 5910), (3410, 5319), (3546, 5115), (4185, 4334)]