19854430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1368

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 18247970

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1259, 1577, 2518, 3154, 6295, 7885, 12590, 15770, 23921, 47842, 104497, 119605, 208994, 239210, 522485, 1044970, 1985443, 3970886, 9927215, 19854430]

約数ペア:

[(1, 19854430), (2, 9927215), (5, 3970886), (10, 1985443), (19, 1044970), (38, 522485), (83, 239210), (95, 208994), (166, 119605), (190, 104497), (415, 47842), (830, 23921), (1259, 15770), (1577, 12590), (2518, 7885), (3154, 6295)]