18791010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4261}}^1$

素因数の和:4288

約数の個数: 72

約数和(自身を含む): 56846556

約数和(自身を除く): 38055546

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4261, 4410, 8522, 12783, 21305, 25566, 29827, 38349, 42610, 59654, 63915, 76698, 89481, 127830, 149135, 178962, 191745, 208789, 268443, 298270, 383490, 417578, 447405, 536886, 626367, 894810, 1043945, 1252734, 1342215, 1879101, 2087890, 2684430, 3131835, 3758202, 6263670, 9395505, 18791010]

約数ペア:

[(1, 18791010), (2, 9395505), (3, 6263670), (5, 3758202), (6, 3131835), (7, 2684430), (9, 2087890), (10, 1879101), (14, 1342215), (15, 1252734), (18, 1043945), (21, 894810), (30, 626367), (35, 536886), (42, 447405), (45, 417578), (49, 383490), (63, 298270), (70, 268443), (90, 208789), (98, 191745), (105, 178962), (126, 149135), (147, 127830), (210, 89481), (245, 76698), (294, 63915), (315, 59654), (441, 42610), (490, 38349), (630, 29827), (735, 25566), (882, 21305), (1470, 12783), (2205, 8522), (4261, 4410)]