18773678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 38071296

約数和(自身を除く): 19297618

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 71, 77, 101, 119, 142, 154, 187, 202, 238, 374, 497, 707, 781, 994, 1111, 1207, 1309, 1414, 1562, 1717, 2222, 2414, 2618, 3434, 5467, 7171, 7777, 8449, 10934, 12019, 13277, 14342, 15554, 16898, 18887, 24038, 26554, 37774, 50197, 78881, 92939, 100394, 121907, 132209, 157762, 185878, 243814, 264418, 552167, 853349, 1104334, 1340977, 1706698, 2681954, 9386839, 18773678]

約数ペア:

[(1, 18773678), (2, 9386839), (7, 2681954), (11, 1706698), (14, 1340977), (17, 1104334), (22, 853349), (34, 552167), (71, 264418), (77, 243814), (101, 185878), (119, 157762), (142, 132209), (154, 121907), (187, 100394), (202, 92939), (238, 78881), (374, 50197), (497, 37774), (707, 26554), (781, 24038), (994, 18887), (1111, 16898), (1207, 15554), (1309, 14342), (1414, 13277), (1562, 12019), (1717, 10934), (2222, 8449), (2414, 7777), (2618, 7171), (3434, 5467)]