19220355

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 43614720

約数和(自身を除く): 24394365

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 43, 45, 55, 63, 77, 99, 105, 129, 135, 165, 189, 215, 231, 297, 301, 315, 385, 387, 473, 495, 645, 693, 903, 945, 1155, 1161, 1419, 1485, 1505, 1849, 1935, 2079, 2365, 2709, 3311, 3465, 4257, 4515, 5547, 5805, 7095, 8127, 9245, 9933, 10395, 12771, 12943, 13545, 16555, 16641, 20339, 21285, 27735, 29799, 38829, 40635, 49665, 49923, 61017, 63855, 64715, 83205, 89397, 101695, 116487, 142373, 148995, 183051, 194145, 249615, 305085, 349461, 427119, 446985, 549153, 582435, 711865, 915255, 1281357, 1747305, 2135595, 2745765, 3844071, 6406785, 19220355]

約数ペア:

[(1, 19220355), (3, 6406785), (5, 3844071), (7, 2745765), (9, 2135595), (11, 1747305), (15, 1281357), (21, 915255), (27, 711865), (33, 582435), (35, 549153), (43, 446985), (45, 427119), (55, 349461), (63, 305085), (77, 249615), (99, 194145), (105, 183051), (129, 148995), (135, 142373), (165, 116487), (189, 101695), (215, 89397), (231, 83205), (297, 64715), (301, 63855), (315, 61017), (385, 49923), (387, 49665), (473, 40635), (495, 38829), (645, 29799), (693, 27735), (903, 21285), (945, 20339), (1155, 16641), (1161, 16555), (1419, 13545), (1485, 12943), (1505, 12771), (1849, 10395), (1935, 9933), (2079, 9245), (2365, 8127), (2709, 7095), (3311, 5805), (3465, 5547), (4257, 4515)]