19278540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1916

約数の個数: 96

約数和(自身を含む): 63168000

約数和(自身を除く): 43889460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 1879, 2052, 2565, 3420, 3758, 5130, 5637, 7516, 9395, 10260, 11274, 16911, 18790, 22548, 28185, 33822, 35701, 37580, 50733, 56370, 67644, 71402, 84555, 101466, 107103, 112740, 142804, 169110, 178505, 202932, 214206, 253665, 321309, 338220, 357010, 428412, 507330, 535515, 642618, 714020, 963927, 1014660, 1071030, 1285236, 1606545, 1927854, 2142060, 3213090, 3855708, 4819635, 6426180, 9639270, 19278540]

約数ペア:

[(1, 19278540), (2, 9639270), (3, 6426180), (4, 4819635), (5, 3855708), (6, 3213090), (9, 2142060), (10, 1927854), (12, 1606545), (15, 1285236), (18, 1071030), (19, 1014660), (20, 963927), (27, 714020), (30, 642618), (36, 535515), (38, 507330), (45, 428412), (54, 357010), (57, 338220), (60, 321309), (76, 253665), (90, 214206), (95, 202932), (108, 178505), (114, 169110), (135, 142804), (171, 112740), (180, 107103), (190, 101466), (228, 84555), (270, 71402), (285, 67644), (342, 56370), (380, 50733), (513, 37580), (540, 35701), (570, 33822), (684, 28185), (855, 22548), (1026, 18790), (1140, 16911), (1710, 11274), (1879, 10260), (2052, 9395), (2565, 7516), (3420, 5637), (3758, 5130)]