18186344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 39960000

約数和(自身を除く): 21773656

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 73, 76, 88, 146, 149, 152, 209, 292, 298, 418, 584, 596, 803, 836, 1192, 1387, 1606, 1639, 1672, 2774, 2831, 3212, 3278, 5548, 5662, 6424, 6556, 10877, 11096, 11324, 13112, 15257, 21754, 22648, 30514, 31141, 43508, 61028, 62282, 87016, 119647, 122056, 124564, 206663, 239294, 249128, 413326, 478588, 826652, 957176, 1653304, 2273293, 4546586, 9093172, 18186344]

約数ペア:

[(1, 18186344), (2, 9093172), (4, 4546586), (8, 2273293), (11, 1653304), (19, 957176), (22, 826652), (38, 478588), (44, 413326), (73, 249128), (76, 239294), (88, 206663), (146, 124564), (149, 122056), (152, 119647), (209, 87016), (292, 62282), (298, 61028), (418, 43508), (584, 31141), (596, 30514), (803, 22648), (836, 21754), (1192, 15257), (1387, 13112), (1606, 11324), (1639, 11096), (1672, 10877), (2774, 6556), (2831, 6424), (3212, 5662), (3278, 5548)]