19298500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2969}}^1$

素因数の和:3001

約数の個数: 48

約数和(自身を含む): 45405360

約数和(自身を除く): 26106860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2969, 3250, 5938, 6500, 11876, 14845, 29690, 38597, 59380, 74225, 77194, 148450, 154388, 192985, 296900, 371125, 385970, 742250, 771940, 964925, 1484500, 1929850, 3859700, 4824625, 9649250, 19298500]

約数ペア:

[(1, 19298500), (2, 9649250), (4, 4824625), (5, 3859700), (10, 1929850), (13, 1484500), (20, 964925), (25, 771940), (26, 742250), (50, 385970), (52, 371125), (65, 296900), (100, 192985), (125, 154388), (130, 148450), (250, 77194), (260, 74225), (325, 59380), (500, 38597), (650, 29690), (1300, 14845), (1625, 11876), (2969, 6500), (3250, 5938)]