19705906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 14223374

約数列:

[1, 2, 11, 22, 29, 58, 67, 134, 319, 461, 638, 737, 922, 1474, 1943, 3886, 5071, 10142, 13369, 21373, 26738, 30887, 42746, 61774, 147059, 294118, 339757, 679514, 895723, 1791446, 9852953, 19705906]

約数ペア:

[(1, 19705906), (2, 9852953), (11, 1791446), (22, 895723), (29, 679514), (58, 339757), (67, 294118), (134, 147059), (319, 61774), (461, 42746), (638, 30887), (737, 26738), (922, 21373), (1474, 13369), (1943, 10142), (3886, 5071)]