19257040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 49639680

約数和(自身を除く): 30382640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 277, 316, 395, 440, 554, 632, 790, 869, 880, 1108, 1264, 1385, 1580, 1738, 2216, 2770, 3047, 3160, 3476, 4345, 4432, 5540, 6094, 6320, 6952, 8690, 11080, 12188, 13904, 15235, 17380, 21883, 22160, 24376, 30470, 34760, 43766, 48752, 60940, 69520, 87532, 109415, 121880, 175064, 218830, 240713, 243760, 350128, 437660, 481426, 875320, 962852, 1203565, 1750640, 1925704, 2407130, 3851408, 4814260, 9628520, 19257040]

約数ペア:

[(1, 19257040), (2, 9628520), (4, 4814260), (5, 3851408), (8, 2407130), (10, 1925704), (11, 1750640), (16, 1203565), (20, 962852), (22, 875320), (40, 481426), (44, 437660), (55, 350128), (79, 243760), (80, 240713), (88, 218830), (110, 175064), (158, 121880), (176, 109415), (220, 87532), (277, 69520), (316, 60940), (395, 48752), (440, 43766), (554, 34760), (632, 30470), (790, 24376), (869, 22160), (880, 21883), (1108, 17380), (1264, 15235), (1385, 13904), (1580, 12188), (1738, 11080), (2216, 8690), (2770, 6952), (3047, 6320), (3160, 6094), (3476, 5540), (4345, 4432)]