19980090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17077}}^1$

素因数の和:17103

約数の個数: 48

約数和(自身を含む): 55947528

約数和(自身を除く): 35967438

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17077, 34154, 51231, 85385, 102462, 153693, 170770, 222001, 256155, 307386, 444002, 512310, 666003, 768465, 1110005, 1332006, 1536930, 1998009, 2220010, 3330015, 3996018, 6660030, 9990045, 19980090]

約数ペア:

[(1, 19980090), (2, 9990045), (3, 6660030), (5, 3996018), (6, 3330015), (9, 2220010), (10, 1998009), (13, 1536930), (15, 1332006), (18, 1110005), (26, 768465), (30, 666003), (39, 512310), (45, 444002), (65, 307386), (78, 256155), (90, 222001), (117, 170770), (130, 153693), (195, 102462), (234, 85385), (390, 51231), (585, 34154), (1170, 17077)]