19693620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2957}}^1$

素因数の和:3009

約数の個数: 72

約数和(自身を含む): 61372584

約数和(自身を除く): 41678964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2957, 3330, 5914, 6660, 8871, 11828, 14785, 17742, 26613, 29570, 35484, 44355, 53226, 59140, 88710, 106452, 109409, 133065, 177420, 218818, 266130, 328227, 437636, 532260, 547045, 656454, 984681, 1094090, 1312908, 1641135, 1969362, 2188180, 3282270, 3938724, 4923405, 6564540, 9846810, 19693620]

約数ペア:

[(1, 19693620), (2, 9846810), (3, 6564540), (4, 4923405), (5, 3938724), (6, 3282270), (9, 2188180), (10, 1969362), (12, 1641135), (15, 1312908), (18, 1094090), (20, 984681), (30, 656454), (36, 547045), (37, 532260), (45, 437636), (60, 328227), (74, 266130), (90, 218818), (111, 177420), (148, 133065), (180, 109409), (185, 106452), (222, 88710), (333, 59140), (370, 53226), (444, 44355), (555, 35484), (666, 29570), (740, 26613), (1110, 17742), (1332, 14785), (1665, 11828), (2220, 8871), (2957, 6660), (3330, 5914)]