19006240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10799}}^1$

素因数の和:10825

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 29982560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10799, 21598, 43196, 53995, 86392, 107990, 118789, 172784, 215980, 237578, 345568, 431960, 475156, 593945, 863920, 950312, 1187890, 1727840, 1900624, 2375780, 3801248, 4751560, 9503120, 19006240]

約数ペア:

[(1, 19006240), (2, 9503120), (4, 4751560), (5, 3801248), (8, 2375780), (10, 1900624), (11, 1727840), (16, 1187890), (20, 950312), (22, 863920), (32, 593945), (40, 475156), (44, 431960), (55, 345568), (80, 237578), (88, 215980), (110, 172784), (160, 118789), (176, 107990), (220, 86392), (352, 53995), (440, 43196), (880, 21598), (1760, 10799)]