18878184

素因数分解:

$2^3\times 3^7\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 57859200

約数和(自身を除く): 38981016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 83, 104, 108, 117, 156, 162, 166, 216, 234, 243, 249, 312, 324, 332, 351, 468, 486, 498, 648, 664, 702, 729, 747, 936, 972, 996, 1053, 1079, 1404, 1458, 1494, 1944, 1992, 2106, 2158, 2187, 2241, 2808, 2916, 2988, 3159, 3237, 4212, 4316, 4374, 4482, 5832, 5976, 6318, 6474, 6723, 8424, 8632, 8748, 8964, 9477, 9711, 12636, 12948, 13446, 17496, 17928, 18954, 19422, 20169, 25272, 25896, 26892, 28431, 29133, 37908, 38844, 40338, 53784, 56862, 58266, 60507, 75816, 77688, 80676, 87399, 113724, 116532, 121014, 161352, 174798, 181521, 227448, 233064, 242028, 262197, 349596, 363042, 484056, 524394, 699192, 726084, 786591, 1048788, 1452168, 1573182, 2097576, 2359773, 3146364, 4719546, 6292728, 9439092, 18878184]

約数ペア:

[(1, 18878184), (2, 9439092), (3, 6292728), (4, 4719546), (6, 3146364), (8, 2359773), (9, 2097576), (12, 1573182), (13, 1452168), (18, 1048788), (24, 786591), (26, 726084), (27, 699192), (36, 524394), (39, 484056), (52, 363042), (54, 349596), (72, 262197), (78, 242028), (81, 233064), (83, 227448), (104, 181521), (108, 174798), (117, 161352), (156, 121014), (162, 116532), (166, 113724), (216, 87399), (234, 80676), (243, 77688), (249, 75816), (312, 60507), (324, 58266), (332, 56862), (351, 53784), (468, 40338), (486, 38844), (498, 37908), (648, 29133), (664, 28431), (702, 26892), (729, 25896), (747, 25272), (936, 20169), (972, 19422), (996, 18954), (1053, 17928), (1079, 17496), (1404, 13446), (1458, 12948), (1494, 12636), (1944, 9711), (1992, 9477), (2106, 8964), (2158, 8748), (2187, 8632), (2241, 8424), (2808, 6723), (2916, 6474), (2988, 6318), (3159, 5976), (3237, 5832), (4212, 4482), (4316, 4374)]