19262385

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 16590159

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 503, 555, 851, 1035, 1509, 1665, 2515, 2553, 4255, 4527, 7545, 7659, 11569, 12765, 18611, 22635, 34707, 38295, 55833, 57845, 93055, 104121, 167499, 173535, 279165, 428053, 520605, 837495, 1284159, 2140265, 3852477, 6420795, 19262385]

約数ペア:

[(1, 19262385), (3, 6420795), (5, 3852477), (9, 2140265), (15, 1284159), (23, 837495), (37, 520605), (45, 428053), (69, 279165), (111, 173535), (115, 167499), (185, 104121), (207, 93055), (333, 57845), (345, 55833), (503, 38295), (555, 34707), (851, 22635), (1035, 18611), (1509, 12765), (1665, 11569), (2515, 7659), (2553, 7545), (4255, 4527)]