19851408

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4447}}^1$

素因数の和:4492

約数の個数: 60

約数和(自身を含む): 57361408

約数和(自身を除く): 37510000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4447, 4464, 8894, 13341, 17788, 26682, 35576, 40023, 53364, 71152, 80046, 106728, 137857, 160092, 213456, 275714, 320184, 413571, 551428, 640368, 827142, 1102856, 1240713, 1654284, 2205712, 2481426, 3308568, 4962852, 6617136, 9925704, 19851408]

約数ペア:

[(1, 19851408), (2, 9925704), (3, 6617136), (4, 4962852), (6, 3308568), (8, 2481426), (9, 2205712), (12, 1654284), (16, 1240713), (18, 1102856), (24, 827142), (31, 640368), (36, 551428), (48, 413571), (62, 320184), (72, 275714), (93, 213456), (124, 160092), (144, 137857), (186, 106728), (248, 80046), (279, 71152), (372, 53364), (496, 40023), (558, 35576), (744, 26682), (1116, 17788), (1488, 13341), (2232, 8894), (4447, 4464)]