19308900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4951}}^1$

素因数の和:4981

約数の個数: 72

約数和(自身を含む): 60176704

約数和(自身を除く): 40867804

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, 4951, 9902, 14853, 19804, 24755, 29706, 49510, 59412, 64363, 74265, 99020, 123775, 128726, 148530, 193089, 247550, 257452, 297060, 321815, 371325, 386178, 495100, 643630, 742650, 772356, 965445, 1287260, 1485300, 1609075, 1930890, 3218150, 3861780, 4827225, 6436300, 9654450, 19308900]

約数ペア:

[(1, 19308900), (2, 9654450), (3, 6436300), (4, 4827225), (5, 3861780), (6, 3218150), (10, 1930890), (12, 1609075), (13, 1485300), (15, 1287260), (20, 965445), (25, 772356), (26, 742650), (30, 643630), (39, 495100), (50, 386178), (52, 371325), (60, 321815), (65, 297060), (75, 257452), (78, 247550), (100, 193089), (130, 148530), (150, 128726), (156, 123775), (195, 99020), (260, 74265), (300, 64363), (325, 59412), (390, 49510), (650, 29706), (780, 24755), (975, 19804), (1300, 14853), (1950, 9902), (3900, 4951)]