19440090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3615

約数の個数: 48

約数和(自身を含む): 51387336

約数和(自身を除く): 31947246

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 3541, 5490, 7082, 10623, 17705, 21246, 31869, 35410, 53115, 63738, 106230, 159345, 216001, 318690, 432002, 648003, 1080005, 1296006, 1944009, 2160010, 3240015, 3888018, 6480030, 9720045, 19440090]

約数ペア:

[(1, 19440090), (2, 9720045), (3, 6480030), (5, 3888018), (6, 3240015), (9, 2160010), (10, 1944009), (15, 1296006), (18, 1080005), (30, 648003), (45, 432002), (61, 318690), (90, 216001), (122, 159345), (183, 106230), (305, 63738), (366, 53115), (549, 35410), (610, 31869), (915, 21246), (1098, 17705), (1830, 10623), (2745, 7082), (3541, 5490)]