19856850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:644

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 36389550

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 50, 51, 65, 75, 78, 85, 102, 130, 150, 170, 195, 221, 255, 325, 390, 425, 442, 510, 599, 650, 663, 850, 975, 1105, 1198, 1275, 1326, 1797, 1950, 2210, 2550, 2995, 3315, 3594, 5525, 5990, 6630, 7787, 8985, 10183, 11050, 14975, 15574, 16575, 17970, 20366, 23361, 29950, 30549, 33150, 38935, 44925, 46722, 50915, 61098, 77870, 89850, 101830, 116805, 132379, 152745, 194675, 233610, 254575, 264758, 305490, 389350, 397137, 509150, 584025, 661895, 763725, 794274, 1168050, 1323790, 1527450, 1985685, 3309475, 3971370, 6618950, 9928425, 19856850]

約数ペア:

[(1, 19856850), (2, 9928425), (3, 6618950), (5, 3971370), (6, 3309475), (10, 1985685), (13, 1527450), (15, 1323790), (17, 1168050), (25, 794274), (26, 763725), (30, 661895), (34, 584025), (39, 509150), (50, 397137), (51, 389350), (65, 305490), (75, 264758), (78, 254575), (85, 233610), (102, 194675), (130, 152745), (150, 132379), (170, 116805), (195, 101830), (221, 89850), (255, 77870), (325, 61098), (390, 50915), (425, 46722), (442, 44925), (510, 38935), (599, 33150), (650, 30549), (663, 29950), (850, 23361), (975, 20366), (1105, 17970), (1198, 16575), (1275, 15574), (1326, 14975), (1797, 11050), (1950, 10183), (2210, 8985), (2550, 7787), (2995, 6630), (3315, 5990), (3594, 5525)]