18900414

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 46093320

約数和(自身を除く): 27192906

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 59, 74, 78, 111, 117, 118, 177, 222, 234, 333, 354, 481, 531, 666, 767, 962, 1062, 1369, 1443, 1534, 2183, 2301, 2738, 2886, 4107, 4329, 4366, 4602, 6549, 6903, 8214, 8658, 12321, 13098, 13806, 17797, 19647, 24642, 28379, 35594, 39294, 53391, 56758, 80771, 85137, 106782, 160173, 161542, 170274, 242313, 255411, 320346, 484626, 510822, 726939, 1050023, 1453878, 2100046, 3150069, 6300138, 9450207, 18900414]

約数ペア:

[(1, 18900414), (2, 9450207), (3, 6300138), (6, 3150069), (9, 2100046), (13, 1453878), (18, 1050023), (26, 726939), (37, 510822), (39, 484626), (59, 320346), (74, 255411), (78, 242313), (111, 170274), (117, 161542), (118, 160173), (177, 106782), (222, 85137), (234, 80771), (333, 56758), (354, 53391), (481, 39294), (531, 35594), (666, 28379), (767, 24642), (962, 19647), (1062, 17797), (1369, 13806), (1443, 13098), (1534, 12321), (2183, 8658), (2301, 8214), (2738, 6903), (2886, 6549), (4107, 4602), (4329, 4366)]