19733940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6449}}^1$

素因数の和:6481

約数の個数: 72

約数和(自身を含む): 63390600

約数和(自身を除く): 43656660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6449, 12898, 19347, 25796, 32245, 38694, 58041, 64490, 77388, 96735, 109633, 116082, 128980, 193470, 219266, 232164, 290205, 328899, 386940, 438532, 548165, 580410, 657798, 986697, 1096330, 1160820, 1315596, 1644495, 1973394, 2192660, 3288990, 3946788, 4933485, 6577980, 9866970, 19733940]

約数ペア:

[(1, 19733940), (2, 9866970), (3, 6577980), (4, 4933485), (5, 3946788), (6, 3288990), (9, 2192660), (10, 1973394), (12, 1644495), (15, 1315596), (17, 1160820), (18, 1096330), (20, 986697), (30, 657798), (34, 580410), (36, 548165), (45, 438532), (51, 386940), (60, 328899), (68, 290205), (85, 232164), (90, 219266), (102, 193470), (153, 128980), (170, 116082), (180, 109633), (204, 96735), (255, 77388), (306, 64490), (340, 58041), (510, 38694), (612, 32245), (765, 25796), (1020, 19347), (1530, 12898), (3060, 6449)]