19394700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4973}}^1$

素因数の和:5003

約数の個数: 72

約数和(自身を含む): 60444048

約数和(自身を除く): 41049348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4973, 9946, 14919, 19892, 24865, 29838, 49730, 59676, 64649, 74595, 99460, 124325, 129298, 149190, 193947, 248650, 258596, 298380, 323245, 372975, 387894, 497300, 646490, 745950, 775788, 969735, 1292980, 1491900, 1616225, 1939470, 3232450, 3878940, 4848675, 6464900, 9697350, 19394700]

約数ペア:

[(1, 19394700), (2, 9697350), (3, 6464900), (4, 4848675), (5, 3878940), (6, 3232450), (10, 1939470), (12, 1616225), (13, 1491900), (15, 1292980), (20, 969735), (25, 775788), (26, 745950), (30, 646490), (39, 497300), (50, 387894), (52, 372975), (60, 323245), (65, 298380), (75, 258596), (78, 248650), (100, 193947), (130, 149190), (150, 129298), (156, 124325), (195, 99460), (260, 74595), (300, 64649), (325, 59676), (390, 49730), (650, 29838), (780, 24865), (975, 19892), (1300, 14919), (1950, 9946), (3900, 4973)]