19856790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 54419040

約数和(自身を除く): 34562250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 67, 74, 89, 90, 111, 134, 178, 185, 201, 222, 267, 333, 335, 370, 402, 445, 534, 555, 603, 666, 670, 801, 890, 1005, 1110, 1206, 1335, 1602, 1665, 2010, 2479, 2670, 3015, 3293, 3330, 4005, 4958, 5963, 6030, 6586, 7437, 8010, 9879, 11926, 12395, 14874, 16465, 17889, 19758, 22311, 24790, 29637, 29815, 32930, 35778, 37185, 44622, 49395, 53667, 59274, 59630, 74370, 89445, 98790, 107334, 111555, 148185, 178890, 220631, 223110, 268335, 296370, 441262, 536670, 661893, 1103155, 1323786, 1985679, 2206310, 3309465, 3971358, 6618930, 9928395, 19856790]

約数ペア:

[(1, 19856790), (2, 9928395), (3, 6618930), (5, 3971358), (6, 3309465), (9, 2206310), (10, 1985679), (15, 1323786), (18, 1103155), (30, 661893), (37, 536670), (45, 441262), (67, 296370), (74, 268335), (89, 223110), (90, 220631), (111, 178890), (134, 148185), (178, 111555), (185, 107334), (201, 98790), (222, 89445), (267, 74370), (333, 59630), (335, 59274), (370, 53667), (402, 49395), (445, 44622), (534, 37185), (555, 35778), (603, 32930), (666, 29815), (670, 29637), (801, 24790), (890, 22311), (1005, 19758), (1110, 17889), (1206, 16465), (1335, 14874), (1602, 12395), (1665, 11926), (2010, 9879), (2479, 8010), (2670, 7437), (3015, 6586), (3293, 6030), (3330, 5963), (4005, 4958)]