1999464088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{619}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 4017600000

約数和(自身を除く): 2018135912

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 269, 316, 538, 619, 632, 1076, 1238, 1501, 2152, 2476, 3002, 4952, 5111, 6004, 10222, 11761, 12008, 20444, 21251, 23522, 40888, 42502, 47044, 48901, 85004, 94088, 97802, 166511, 170008, 195604, 333022, 391208, 403769, 666044, 807538, 929119, 1332088, 1615076, 1858238, 3163709, 3230152, 3716476, 6327418, 7432952, 12654836, 13154369, 25309672, 26308738, 52617476, 105234952, 249933011, 499866022, 999732044, 1999464088]

約数ペア:

[(1, 1999464088), (2, 999732044), (4, 499866022), (8, 249933011), (19, 105234952), (38, 52617476), (76, 26308738), (79, 25309672), (152, 13154369), (158, 12654836), (269, 7432952), (316, 6327418), (538, 3716476), (619, 3230152), (632, 3163709), (1076, 1858238), (1238, 1615076), (1501, 1332088), (2152, 929119), (2476, 807538), (3002, 666044), (4952, 403769), (5111, 391208), (6004, 333022), (10222, 195604), (11761, 170008), (12008, 166511), (20444, 97802), (21251, 94088), (23522, 85004), (40888, 48901), (42502, 47044)]