19095225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 33521664

約数和(自身を除く): 14426439

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 191, 215, 465, 573, 645, 775, 955, 1075, 1333, 2325, 2865, 3225, 3999, 4775, 5921, 6665, 8213, 14325, 17763, 19995, 24639, 29605, 33325, 41065, 88815, 99975, 123195, 148025, 205325, 254603, 444075, 615975, 763809, 1273015, 3819045, 6365075, 19095225]

約数ペア:

[(1, 19095225), (3, 6365075), (5, 3819045), (15, 1273015), (25, 763809), (31, 615975), (43, 444075), (75, 254603), (93, 205325), (129, 148025), (155, 123195), (191, 99975), (215, 88815), (465, 41065), (573, 33325), (645, 29605), (775, 24639), (955, 19995), (1075, 17763), (1333, 14325), (2325, 8213), (2865, 6665), (3225, 5921), (3999, 4775)]