19229940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 41250060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 149, 180, 239, 270, 298, 447, 478, 540, 596, 717, 745, 894, 956, 1195, 1341, 1434, 1490, 1788, 2151, 2235, 2390, 2682, 2868, 2980, 3585, 4023, 4302, 4470, 4780, 5364, 6453, 6705, 7170, 8046, 8604, 8940, 10755, 12906, 13410, 14340, 16092, 20115, 21510, 25812, 26820, 32265, 35611, 40230, 43020, 64530, 71222, 80460, 106833, 129060, 142444, 178055, 213666, 320499, 356110, 427332, 534165, 640998, 712220, 961497, 1068330, 1281996, 1602495, 1922994, 2136660, 3204990, 3845988, 4807485, 6409980, 9614970, 19229940]

約数ペア:

[(1, 19229940), (2, 9614970), (3, 6409980), (4, 4807485), (5, 3845988), (6, 3204990), (9, 2136660), (10, 1922994), (12, 1602495), (15, 1281996), (18, 1068330), (20, 961497), (27, 712220), (30, 640998), (36, 534165), (45, 427332), (54, 356110), (60, 320499), (90, 213666), (108, 178055), (135, 142444), (149, 129060), (180, 106833), (239, 80460), (270, 71222), (298, 64530), (447, 43020), (478, 40230), (540, 35611), (596, 32265), (717, 26820), (745, 25812), (894, 21510), (956, 20115), (1195, 16092), (1341, 14340), (1434, 13410), (1490, 12906), (1788, 10755), (2151, 8940), (2235, 8604), (2390, 8046), (2682, 7170), (2868, 6705), (2980, 6453), (3585, 5364), (4023, 4780), (4302, 4470)]