19666518

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 24749994

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 83, 101, 102, 138, 166, 202, 249, 303, 391, 498, 606, 782, 1173, 1411, 1717, 1909, 2323, 2346, 2822, 3434, 3818, 4233, 4646, 5151, 5727, 6969, 8383, 8466, 10302, 11454, 13938, 16766, 25149, 32453, 39491, 50298, 64906, 78982, 97359, 118473, 142511, 192809, 194718, 236946, 285022, 385618, 427533, 578427, 855066, 1156854, 3277753, 6555506, 9833259, 19666518]

約数ペア:

[(1, 19666518), (2, 9833259), (3, 6555506), (6, 3277753), (17, 1156854), (23, 855066), (34, 578427), (46, 427533), (51, 385618), (69, 285022), (83, 236946), (101, 194718), (102, 192809), (138, 142511), (166, 118473), (202, 97359), (249, 78982), (303, 64906), (391, 50298), (498, 39491), (606, 32453), (782, 25149), (1173, 16766), (1411, 13938), (1717, 11454), (1909, 10302), (2323, 8466), (2346, 8383), (2822, 6969), (3434, 5727), (3818, 5151), (4233, 4646)]