19808784

素因数分解:

$2^4\times 3^2\times {\mathrm{151}}^1\times {\mathrm{911}}^1$

素因数の和:1076

約数の個数: 60

約数和(自身を含む): 55865472

約数和(自身を除く): 36056688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 151, 302, 453, 604, 906, 911, 1208, 1359, 1812, 1822, 2416, 2718, 2733, 3624, 3644, 5436, 5466, 7248, 7288, 8199, 10872, 10932, 14576, 16398, 21744, 21864, 32796, 43728, 65592, 131184, 137561, 275122, 412683, 550244, 825366, 1100488, 1238049, 1650732, 2200976, 2476098, 3301464, 4952196, 6602928, 9904392, 19808784]

約数ペア:

[(1, 19808784), (2, 9904392), (3, 6602928), (4, 4952196), (6, 3301464), (8, 2476098), (9, 2200976), (12, 1650732), (16, 1238049), (18, 1100488), (24, 825366), (36, 550244), (48, 412683), (72, 275122), (144, 137561), (151, 131184), (302, 65592), (453, 43728), (604, 32796), (906, 21864), (911, 21744), (1208, 16398), (1359, 14576), (1812, 10932), (1822, 10872), (2416, 8199), (2718, 7288), (2733, 7248), (3624, 5466), (3644, 5436)]