18142796

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 38841600

約数和(自身を除く): 20698804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 509, 532, 938, 1018, 1273, 1876, 2036, 2546, 3563, 5092, 7126, 8911, 9671, 14252, 17822, 19342, 34103, 35644, 38684, 67697, 68206, 135394, 136412, 238721, 270788, 477442, 647957, 954884, 1295914, 2591828, 4535699, 9071398, 18142796]

約数ペア:

[(1, 18142796), (2, 9071398), (4, 4535699), (7, 2591828), (14, 1295914), (19, 954884), (28, 647957), (38, 477442), (67, 270788), (76, 238721), (133, 136412), (134, 135394), (266, 68206), (268, 67697), (469, 38684), (509, 35644), (532, 34103), (938, 19342), (1018, 17822), (1273, 14252), (1876, 9671), (2036, 8911), (2546, 7126), (3563, 5092)]