19328970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 49040640

約数和(自身を除く): 29711670

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 109, 115, 138, 218, 230, 257, 327, 345, 514, 545, 654, 690, 771, 1090, 1285, 1542, 1635, 2507, 2570, 3270, 3855, 5014, 5911, 7521, 7710, 11822, 12535, 15042, 17733, 25070, 28013, 29555, 35466, 37605, 56026, 59110, 75210, 84039, 88665, 140065, 168078, 177330, 280130, 420195, 644299, 840390, 1288598, 1932897, 3221495, 3865794, 6442990, 9664485, 19328970]

約数ペア:

[(1, 19328970), (2, 9664485), (3, 6442990), (5, 3865794), (6, 3221495), (10, 1932897), (15, 1288598), (23, 840390), (30, 644299), (46, 420195), (69, 280130), (109, 177330), (115, 168078), (138, 140065), (218, 88665), (230, 84039), (257, 75210), (327, 59110), (345, 56026), (514, 37605), (545, 35466), (654, 29555), (690, 28013), (771, 25070), (1090, 17733), (1285, 15042), (1542, 12535), (1635, 11822), (2507, 7710), (2570, 7521), (3270, 5911), (3855, 5014)]