15969918

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 34509456

約数和(自身を除く): 18539538

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 101, 114, 146, 202, 219, 303, 361, 438, 606, 722, 1083, 1387, 1919, 2166, 2774, 3838, 4161, 5757, 7373, 8322, 11514, 14746, 22119, 26353, 36461, 44238, 52706, 72922, 79059, 109383, 140087, 158118, 218766, 280174, 420261, 840522, 2661653, 5323306, 7984959, 15969918]

約数ペア:

[(1, 15969918), (2, 7984959), (3, 5323306), (6, 2661653), (19, 840522), (38, 420261), (57, 280174), (73, 218766), (101, 158118), (114, 140087), (146, 109383), (202, 79059), (219, 72922), (303, 52706), (361, 44238), (438, 36461), (606, 26353), (722, 22119), (1083, 14746), (1387, 11514), (1919, 8322), (2166, 7373), (2774, 5757), (3838, 4161)]