19210035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 35481600

約数和(自身を除く): 16271565

約数列:

[1, 3, 5, 13, 15, 29, 39, 43, 65, 79, 87, 129, 145, 195, 215, 237, 377, 395, 435, 559, 645, 1027, 1131, 1185, 1247, 1677, 1885, 2291, 2795, 3081, 3397, 3741, 5135, 5655, 6235, 6873, 8385, 10191, 11455, 15405, 16211, 16985, 18705, 29783, 34365, 44161, 48633, 50955, 81055, 89349, 98513, 132483, 148915, 220805, 243165, 295539, 446745, 492565, 662415, 1280669, 1477695, 3842007, 6403345, 19210035]

約数ペア:

[(1, 19210035), (3, 6403345), (5, 3842007), (13, 1477695), (15, 1280669), (29, 662415), (39, 492565), (43, 446745), (65, 295539), (79, 243165), (87, 220805), (129, 148915), (145, 132483), (195, 98513), (215, 89349), (237, 81055), (377, 50955), (395, 48633), (435, 44161), (559, 34365), (645, 29783), (1027, 18705), (1131, 16985), (1185, 16211), (1247, 15405), (1677, 11455), (1885, 10191), (2291, 8385), (2795, 6873), (3081, 6235), (3397, 5655), (3741, 5135)]