18990324

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 50417640

約数和(自身を除く): 31427316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 53, 74, 106, 111, 148, 159, 212, 222, 269, 318, 333, 444, 477, 538, 636, 666, 807, 954, 1076, 1332, 1614, 1908, 1961, 2421, 3228, 3922, 4842, 5883, 7844, 9684, 9953, 11766, 14257, 17649, 19906, 23532, 28514, 29859, 35298, 39812, 42771, 57028, 59718, 70596, 85542, 89577, 119436, 128313, 171084, 179154, 256626, 358308, 513252, 527509, 1055018, 1582527, 2110036, 3165054, 4747581, 6330108, 9495162, 18990324]

約数ペア:

[(1, 18990324), (2, 9495162), (3, 6330108), (4, 4747581), (6, 3165054), (9, 2110036), (12, 1582527), (18, 1055018), (36, 527509), (37, 513252), (53, 358308), (74, 256626), (106, 179154), (111, 171084), (148, 128313), (159, 119436), (212, 89577), (222, 85542), (269, 70596), (318, 59718), (333, 57028), (444, 42771), (477, 39812), (538, 35298), (636, 29859), (666, 28514), (807, 23532), (954, 19906), (1076, 17649), (1332, 14257), (1614, 11766), (1908, 9953), (1961, 9684), (2421, 7844), (3228, 5883), (3922, 4842)]