19675868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 39019680

約数和(自身を除く): 19343812

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 97, 157, 194, 314, 323, 388, 628, 646, 1292, 1649, 1843, 2669, 2983, 3298, 3686, 5338, 5966, 6596, 7372, 10676, 11932, 15229, 30458, 31331, 50711, 60916, 62662, 101422, 125324, 202844, 258893, 289351, 517786, 578702, 1035572, 1157404, 4918967, 9837934, 19675868]

約数ペア:

[(1, 19675868), (2, 9837934), (4, 4918967), (17, 1157404), (19, 1035572), (34, 578702), (38, 517786), (68, 289351), (76, 258893), (97, 202844), (157, 125324), (194, 101422), (314, 62662), (323, 60916), (388, 50711), (628, 31331), (646, 30458), (1292, 15229), (1649, 11932), (1843, 10676), (2669, 7372), (2983, 6596), (3298, 5966), (3686, 5338)]