19383960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{991}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 58567680

約数和(自身を除く): 39183720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 991, 1304, 1630, 1956, 1982, 2445, 2973, 3260, 3912, 3964, 4890, 4955, 5946, 6520, 7928, 9780, 9910, 11892, 14865, 19560, 19820, 23784, 29730, 39640, 59460, 118920, 161533, 323066, 484599, 646132, 807665, 969198, 1292264, 1615330, 1938396, 2422995, 3230660, 3876792, 4845990, 6461320, 9691980, 19383960]

約数ペア:

[(1, 19383960), (2, 9691980), (3, 6461320), (4, 4845990), (5, 3876792), (6, 3230660), (8, 2422995), (10, 1938396), (12, 1615330), (15, 1292264), (20, 969198), (24, 807665), (30, 646132), (40, 484599), (60, 323066), (120, 161533), (163, 118920), (326, 59460), (489, 39640), (652, 29730), (815, 23784), (978, 19820), (991, 19560), (1304, 14865), (1630, 11892), (1956, 9910), (1982, 9780), (2445, 7928), (2973, 6520), (3260, 5946), (3912, 4955), (3964, 4890)]