19290050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{503}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 20082430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 59, 65, 118, 130, 295, 325, 503, 590, 650, 767, 1006, 1475, 1534, 2515, 2950, 3835, 5030, 6539, 7670, 12575, 13078, 19175, 25150, 29677, 32695, 38350, 59354, 65390, 148385, 163475, 296770, 326950, 385801, 741925, 771602, 1483850, 1929005, 3858010, 9645025, 19290050]

約数ペア:

[(1, 19290050), (2, 9645025), (5, 3858010), (10, 1929005), (13, 1483850), (25, 771602), (26, 741925), (50, 385801), (59, 326950), (65, 296770), (118, 163475), (130, 148385), (295, 65390), (325, 59354), (503, 38350), (590, 32695), (650, 29677), (767, 25150), (1006, 19175), (1475, 13078), (1534, 12575), (2515, 7670), (2950, 6539), (3835, 5030)]