19839952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 46872000

約数和(自身を除く): 27032048

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 176, 187, 209, 272, 304, 323, 349, 374, 418, 646, 698, 748, 836, 1292, 1396, 1496, 1672, 2584, 2792, 2992, 3344, 3553, 3839, 5168, 5584, 5933, 6631, 7106, 7678, 11866, 13262, 14212, 15356, 23732, 26524, 28424, 30712, 47464, 53048, 56848, 61424, 65263, 72941, 94928, 106096, 112727, 130526, 145882, 225454, 261052, 291764, 450908, 522104, 583528, 901816, 1044208, 1167056, 1239997, 1803632, 2479994, 4959988, 9919976, 19839952]

約数ペア:

[(1, 19839952), (2, 9919976), (4, 4959988), (8, 2479994), (11, 1803632), (16, 1239997), (17, 1167056), (19, 1044208), (22, 901816), (34, 583528), (38, 522104), (44, 450908), (68, 291764), (76, 261052), (88, 225454), (136, 145882), (152, 130526), (176, 112727), (187, 106096), (209, 94928), (272, 72941), (304, 65263), (323, 61424), (349, 56848), (374, 53048), (418, 47464), (646, 30712), (698, 28424), (748, 26524), (836, 23732), (1292, 15356), (1396, 14212), (1496, 13262), (1672, 11866), (2584, 7678), (2792, 7106), (2992, 6631), (3344, 5933), (3553, 5584), (3839, 5168)]