19895964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7933}}^1$

素因数の和:7970

約数の個数: 48

約数和(自身を含む): 53316480

約数和(自身を除く): 33420516

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 7933, 15866, 23799, 31732, 47598, 87263, 95196, 150727, 174526, 261789, 301454, 349052, 452181, 523578, 602908, 904362, 1047156, 1657997, 1808724, 3315994, 4973991, 6631988, 9947982, 19895964]

約数ペア:

[(1, 19895964), (2, 9947982), (3, 6631988), (4, 4973991), (6, 3315994), (11, 1808724), (12, 1657997), (19, 1047156), (22, 904362), (33, 602908), (38, 523578), (44, 452181), (57, 349052), (66, 301454), (76, 261789), (114, 174526), (132, 150727), (209, 95196), (228, 87263), (418, 47598), (627, 31732), (836, 23799), (1254, 15866), (2508, 7933)]