19190340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 45019260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 65, 78, 90, 117, 118, 130, 139, 156, 177, 180, 195, 234, 236, 260, 278, 295, 354, 390, 417, 468, 531, 556, 585, 590, 695, 708, 767, 780, 834, 885, 1062, 1170, 1180, 1251, 1390, 1534, 1668, 1770, 1807, 2085, 2124, 2301, 2340, 2502, 2655, 2780, 3068, 3540, 3614, 3835, 4170, 4602, 5004, 5310, 5421, 6255, 6903, 7228, 7670, 8201, 8340, 9035, 9204, 10620, 10842, 11505, 12510, 13806, 15340, 16263, 16402, 18070, 21684, 23010, 24603, 25020, 27105, 27612, 32526, 32804, 34515, 36140, 41005, 46020, 49206, 54210, 65052, 69030, 73809, 81315, 82010, 98412, 106613, 108420, 123015, 138060, 147618, 162630, 164020, 213226, 246030, 295236, 319839, 325260, 369045, 426452, 492060, 533065, 639678, 738090, 959517, 1066130, 1279356, 1476180, 1599195, 1919034, 2132260, 3198390, 3838068, 4797585, 6396780, 9595170, 19190340]

約数ペア:

[(1, 19190340), (2, 9595170), (3, 6396780), (4, 4797585), (5, 3838068), (6, 3198390), (9, 2132260), (10, 1919034), (12, 1599195), (13, 1476180), (15, 1279356), (18, 1066130), (20, 959517), (26, 738090), (30, 639678), (36, 533065), (39, 492060), (45, 426452), (52, 369045), (59, 325260), (60, 319839), (65, 295236), (78, 246030), (90, 213226), (117, 164020), (118, 162630), (130, 147618), (139, 138060), (156, 123015), (177, 108420), (180, 106613), (195, 98412), (234, 82010), (236, 81315), (260, 73809), (278, 69030), (295, 65052), (354, 54210), (390, 49206), (417, 46020), (468, 41005), (531, 36140), (556, 34515), (585, 32804), (590, 32526), (695, 27612), (708, 27105), (767, 25020), (780, 24603), (834, 23010), (885, 21684), (1062, 18070), (1170, 16402), (1180, 16263), (1251, 15340), (1390, 13806), (1534, 12510), (1668, 11505), (1770, 10842), (1807, 10620), (2085, 9204), (2124, 9035), (2301, 8340), (2340, 8201), (2502, 7670), (2655, 7228), (2780, 6903), (3068, 6255), (3540, 5421), (3614, 5310), (3835, 5004), (4170, 4602)]