19503180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4013}}^1$

素因数の和:4037

約数の個数: 72

約数和(自身を含む): 61366032

約数和(自身を除く): 41862852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4013, 4860, 8026, 12039, 16052, 20065, 24078, 36117, 40130, 48156, 60195, 72234, 80260, 108351, 120390, 144468, 180585, 216702, 240780, 325053, 361170, 433404, 541755, 650106, 722340, 975159, 1083510, 1300212, 1625265, 1950318, 2167020, 3250530, 3900636, 4875795, 6501060, 9751590, 19503180]

約数ペア:

[(1, 19503180), (2, 9751590), (3, 6501060), (4, 4875795), (5, 3900636), (6, 3250530), (9, 2167020), (10, 1950318), (12, 1625265), (15, 1300212), (18, 1083510), (20, 975159), (27, 722340), (30, 650106), (36, 541755), (45, 433404), (54, 361170), (60, 325053), (81, 240780), (90, 216702), (108, 180585), (135, 144468), (162, 120390), (180, 108351), (243, 80260), (270, 72234), (324, 60195), (405, 48156), (486, 40130), (540, 36117), (810, 24078), (972, 20065), (1215, 16052), (1620, 12039), (2430, 8026), (4013, 4860)]