16804927378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 27425260800

約数和(自身を除く): 10620333422

約数列:

[1, 2, 19, 38, 71, 97, 142, 157, 194, 314, 409, 818, 1349, 1843, 2698, 2983, 3686, 5966, 6887, 7771, 11147, 13774, 15229, 15542, 22294, 29039, 30458, 39673, 58078, 64213, 79346, 128426, 130853, 211793, 261706, 289351, 423586, 551741, 578702, 753787, 1081259, 1103482, 1220047, 1507574, 2162518, 2440094, 2816783, 4559123, 5633566, 6228661, 9118246, 12457322, 20543921, 41087842, 53518877, 86623337, 107037754, 118344559, 173246674, 236689118, 442234931, 884469862, 8402463689, 16804927378]

約数ペア:

[(1, 16804927378), (2, 8402463689), (19, 884469862), (38, 442234931), (71, 236689118), (97, 173246674), (142, 118344559), (157, 107037754), (194, 86623337), (314, 53518877), (409, 41087842), (818, 20543921), (1349, 12457322), (1843, 9118246), (2698, 6228661), (2983, 5633566), (3686, 4559123), (5966, 2816783), (6887, 2440094), (7771, 2162518), (11147, 1507574), (13774, 1220047), (15229, 1103482), (15542, 1081259), (22294, 753787), (29039, 578702), (30458, 551741), (39673, 423586), (58078, 289351), (64213, 261706), (79346, 211793), (128426, 130853)]