18735408

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1447

約数の個数: 80

約数和(自身を含む): 55552000

約数和(自身を除く): 36816592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1399, 1488, 1674, 2232, 2798, 3348, 4197, 4464, 5596, 6696, 8394, 11192, 12591, 13392, 16788, 22384, 25182, 33576, 37773, 43369, 50364, 67152, 75546, 86738, 100728, 130107, 151092, 173476, 201456, 260214, 302184, 346952, 390321, 520428, 604368, 693904, 780642, 1040856, 1170963, 1561284, 2081712, 2341926, 3122568, 4683852, 6245136, 9367704, 18735408]

約数ペア:

[(1, 18735408), (2, 9367704), (3, 6245136), (4, 4683852), (6, 3122568), (8, 2341926), (9, 2081712), (12, 1561284), (16, 1170963), (18, 1040856), (24, 780642), (27, 693904), (31, 604368), (36, 520428), (48, 390321), (54, 346952), (62, 302184), (72, 260214), (93, 201456), (108, 173476), (124, 151092), (144, 130107), (186, 100728), (216, 86738), (248, 75546), (279, 67152), (372, 50364), (432, 43369), (496, 37773), (558, 33576), (744, 25182), (837, 22384), (1116, 16788), (1399, 13392), (1488, 12591), (1674, 11192), (2232, 8394), (2798, 6696), (3348, 5596), (4197, 4464)]