19750230

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 80

約数和(自身を含む): 54624240

約数和(自身を除く): 34874010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 270, 333, 370, 405, 555, 659, 666, 810, 999, 1110, 1318, 1665, 1977, 1998, 2997, 3295, 3330, 3954, 4995, 5931, 5994, 6590, 9885, 9990, 11862, 14985, 17793, 19770, 24383, 29655, 29970, 35586, 48766, 53379, 59310, 73149, 88965, 106758, 121915, 146298, 177930, 219447, 243830, 266895, 365745, 438894, 533790, 658341, 731490, 1097235, 1316682, 1975023, 2194470, 3291705, 3950046, 6583410, 9875115, 19750230]

約数ペア:

[(1, 19750230), (2, 9875115), (3, 6583410), (5, 3950046), (6, 3291705), (9, 2194470), (10, 1975023), (15, 1316682), (18, 1097235), (27, 731490), (30, 658341), (37, 533790), (45, 438894), (54, 365745), (74, 266895), (81, 243830), (90, 219447), (111, 177930), (135, 146298), (162, 121915), (185, 106758), (222, 88965), (270, 73149), (333, 59310), (370, 53379), (405, 48766), (555, 35586), (659, 29970), (666, 29655), (810, 24383), (999, 19770), (1110, 17793), (1318, 14985), (1665, 11862), (1977, 9990), (1998, 9885), (2997, 6590), (3295, 5994), (3330, 5931), (3954, 4995)]