19912323

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 9578877

約数列:

[1, 3, 19, 31, 57, 59, 93, 177, 191, 573, 589, 1121, 1767, 1829, 3363, 3629, 5487, 5921, 10887, 11269, 17763, 33807, 34751, 104253, 112499, 214111, 337497, 349339, 642333, 1048017, 6637441, 19912323]

約数ペア:

[(1, 19912323), (3, 6637441), (19, 1048017), (31, 642333), (57, 349339), (59, 337497), (93, 214111), (177, 112499), (191, 104253), (573, 34751), (589, 33807), (1121, 17763), (1767, 11269), (1829, 10887), (3363, 5921), (3629, 5487)]