18261810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 57139992

約数和(自身を除く): 38878182

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 41, 42, 45, 49, 63, 70, 82, 90, 98, 101, 105, 123, 126, 147, 202, 205, 210, 245, 246, 287, 294, 303, 315, 369, 410, 441, 490, 505, 574, 606, 615, 630, 707, 735, 738, 861, 882, 909, 1010, 1230, 1414, 1435, 1470, 1515, 1722, 1818, 1845, 2009, 2121, 2205, 2583, 2870, 3030, 3535, 3690, 4018, 4141, 4242, 4305, 4410, 4545, 4949, 5166, 6027, 6363, 7070, 8282, 8610, 9090, 9898, 10045, 10605, 12054, 12423, 12726, 12915, 14847, 18081, 20090, 20705, 21210, 24745, 24846, 25830, 28987, 29694, 30135, 31815, 36162, 37269, 41410, 44541, 49490, 57974, 60270, 62115, 63630, 74235, 74538, 86961, 89082, 90405, 124230, 144935, 148470, 173922, 180810, 186345, 202909, 222705, 260883, 289870, 372690, 405818, 434805, 445410, 521766, 608727, 869610, 1014545, 1217454, 1304415, 1826181, 2029090, 2608830, 3043635, 3652362, 6087270, 9130905, 18261810]

約数ペア:

[(1, 18261810), (2, 9130905), (3, 6087270), (5, 3652362), (6, 3043635), (7, 2608830), (9, 2029090), (10, 1826181), (14, 1304415), (15, 1217454), (18, 1014545), (21, 869610), (30, 608727), (35, 521766), (41, 445410), (42, 434805), (45, 405818), (49, 372690), (63, 289870), (70, 260883), (82, 222705), (90, 202909), (98, 186345), (101, 180810), (105, 173922), (123, 148470), (126, 144935), (147, 124230), (202, 90405), (205, 89082), (210, 86961), (245, 74538), (246, 74235), (287, 63630), (294, 62115), (303, 60270), (315, 57974), (369, 49490), (410, 44541), (441, 41410), (490, 37269), (505, 36162), (574, 31815), (606, 30135), (615, 29694), (630, 28987), (707, 25830), (735, 24846), (738, 24745), (861, 21210), (882, 20705), (909, 20090), (1010, 18081), (1230, 14847), (1414, 12915), (1435, 12726), (1470, 12423), (1515, 12054), (1722, 10605), (1818, 10045), (1845, 9898), (2009, 9090), (2121, 8610), (2205, 8282), (2583, 7070), (2870, 6363), (3030, 6027), (3535, 5166), (3690, 4949), (4018, 4545), (4141, 4410), (4242, 4305)]