16953207368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1\times {\mathrm{1993}}^1$

素因数の和:2502

約数の個数: 64

約数和(自身を含む): 33767193600

約数和(自身を除く): 16813986232

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 191, 293, 382, 586, 764, 1172, 1528, 1993, 2344, 3629, 3986, 5567, 7258, 7972, 11134, 14516, 15944, 22268, 29032, 37867, 44536, 55963, 75734, 111926, 151468, 223852, 302936, 380663, 447704, 583949, 761326, 1063297, 1167898, 1522652, 2126594, 2335796, 3045304, 4253188, 4671592, 7232597, 8506376, 11095031, 14465194, 22190062, 28930388, 44380124, 57860776, 88760248, 111534259, 223068518, 446137036, 892274072, 2119150921, 4238301842, 8476603684, 16953207368]

約数ペア:

[(1, 16953207368), (2, 8476603684), (4, 4238301842), (8, 2119150921), (19, 892274072), (38, 446137036), (76, 223068518), (152, 111534259), (191, 88760248), (293, 57860776), (382, 44380124), (586, 28930388), (764, 22190062), (1172, 14465194), (1528, 11095031), (1993, 8506376), (2344, 7232597), (3629, 4671592), (3986, 4253188), (5567, 3045304), (7258, 2335796), (7972, 2126594), (11134, 1522652), (14516, 1167898), (15944, 1063297), (22268, 761326), (29032, 583949), (37867, 447704), (44536, 380663), (55963, 302936), (75734, 223852), (111926, 151468)]