18907644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 53415936

約数和(自身を除く): 34508292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 53, 62, 84, 93, 106, 124, 137, 159, 186, 212, 217, 274, 318, 371, 372, 411, 434, 548, 636, 651, 742, 822, 868, 959, 1113, 1302, 1484, 1643, 1644, 1918, 2226, 2604, 2877, 3286, 3836, 4247, 4452, 4929, 5754, 6572, 7261, 8494, 9858, 11501, 11508, 12741, 14522, 16988, 19716, 21783, 23002, 25482, 29044, 29729, 34503, 43566, 46004, 50827, 50964, 59458, 69006, 87132, 89187, 101654, 118916, 138012, 152481, 178374, 203308, 225091, 304962, 356748, 450182, 609924, 675273, 900364, 1350546, 1575637, 2701092, 3151274, 4726911, 6302548, 9453822, 18907644]

約数ペア:

[(1, 18907644), (2, 9453822), (3, 6302548), (4, 4726911), (6, 3151274), (7, 2701092), (12, 1575637), (14, 1350546), (21, 900364), (28, 675273), (31, 609924), (42, 450182), (53, 356748), (62, 304962), (84, 225091), (93, 203308), (106, 178374), (124, 152481), (137, 138012), (159, 118916), (186, 101654), (212, 89187), (217, 87132), (274, 69006), (318, 59458), (371, 50964), (372, 50827), (411, 46004), (434, 43566), (548, 34503), (636, 29729), (651, 29044), (742, 25482), (822, 23002), (868, 21783), (959, 19716), (1113, 16988), (1302, 14522), (1484, 12741), (1643, 11508), (1644, 11501), (1918, 9858), (2226, 8494), (2604, 7261), (2877, 6572), (3286, 5754), (3836, 4929), (4247, 4452)]