19191216

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1954

約数の個数: 80

約数和(自身を含む): 56960640

約数和(自身を除く): 37769424

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 132, 152, 176, 209, 228, 264, 304, 418, 456, 528, 627, 836, 912, 1254, 1672, 1913, 2508, 3344, 3826, 5016, 5739, 7652, 10032, 11478, 15304, 21043, 22956, 30608, 36347, 42086, 45912, 63129, 72694, 84172, 91824, 109041, 126258, 145388, 168344, 218082, 252516, 290776, 336688, 399817, 436164, 505032, 581552, 799634, 872328, 1010064, 1199451, 1599268, 1744656, 2398902, 3198536, 4797804, 6397072, 9595608, 19191216]

約数ペア:

[(1, 19191216), (2, 9595608), (3, 6397072), (4, 4797804), (6, 3198536), (8, 2398902), (11, 1744656), (12, 1599268), (16, 1199451), (19, 1010064), (22, 872328), (24, 799634), (33, 581552), (38, 505032), (44, 436164), (48, 399817), (57, 336688), (66, 290776), (76, 252516), (88, 218082), (114, 168344), (132, 145388), (152, 126258), (176, 109041), (209, 91824), (228, 84172), (264, 72694), (304, 63129), (418, 45912), (456, 42086), (528, 36347), (627, 30608), (836, 22956), (912, 21043), (1254, 15304), (1672, 11478), (1913, 10032), (2508, 7652), (3344, 5739), (3826, 5016)]