19118655

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 35568000

約数和(自身を除く): 16449345

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 95, 171, 177, 285, 295, 379, 531, 855, 885, 1121, 1137, 1895, 2655, 3363, 3411, 5605, 5685, 7201, 10089, 16815, 17055, 21603, 22361, 36005, 50445, 64809, 67083, 108015, 111805, 201249, 324045, 335415, 424859, 1006245, 1274577, 2124295, 3823731, 6372885, 19118655]

約数ペア:

[(1, 19118655), (3, 6372885), (5, 3823731), (9, 2124295), (15, 1274577), (19, 1006245), (45, 424859), (57, 335415), (59, 324045), (95, 201249), (171, 111805), (177, 108015), (285, 67083), (295, 64809), (379, 50445), (531, 36005), (855, 22361), (885, 21603), (1121, 17055), (1137, 16815), (1895, 10089), (2655, 7201), (3363, 5685), (3411, 5605)]