19681776

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4454

約数の個数: 60

約数和(自身を含む): 56871360

約数和(自身を除く): 37189584

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, 4409, 4464, 8818, 13227, 17636, 26454, 35272, 39681, 52908, 70544, 79362, 105816, 136679, 158724, 211632, 273358, 317448, 410037, 546716, 634896, 820074, 1093432, 1230111, 1640148, 2186864, 2460222, 3280296, 4920444, 6560592, 9840888, 19681776]

約数ペア:

[(1, 19681776), (2, 9840888), (3, 6560592), (4, 4920444), (6, 3280296), (8, 2460222), (9, 2186864), (12, 1640148), (16, 1230111), (18, 1093432), (24, 820074), (31, 634896), (36, 546716), (48, 410037), (62, 317448), (72, 273358), (93, 211632), (124, 158724), (144, 136679), (186, 105816), (248, 79362), (279, 70544), (372, 52908), (496, 39681), (558, 35272), (744, 26454), (1116, 17636), (1488, 13227), (2232, 8818), (4409, 4464)]