19679850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:552

約数の個数: 72

約数和(自身を含む): 53520012

約数和(自身を除く): 33840162

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 101, 150, 202, 225, 303, 433, 450, 505, 606, 866, 909, 1010, 1299, 1515, 1818, 2165, 2525, 2598, 3030, 3897, 4330, 4545, 5050, 6495, 7575, 7794, 9090, 10825, 12990, 15150, 19485, 21650, 22725, 32475, 38970, 43733, 45450, 64950, 87466, 97425, 131199, 194850, 218665, 262398, 393597, 437330, 655995, 787194, 1093325, 1311990, 1967985, 2186650, 3279975, 3935970, 6559950, 9839925, 19679850]

約数ペア:

[(1, 19679850), (2, 9839925), (3, 6559950), (5, 3935970), (6, 3279975), (9, 2186650), (10, 1967985), (15, 1311990), (18, 1093325), (25, 787194), (30, 655995), (45, 437330), (50, 393597), (75, 262398), (90, 218665), (101, 194850), (150, 131199), (202, 97425), (225, 87466), (303, 64950), (433, 45450), (450, 43733), (505, 38970), (606, 32475), (866, 22725), (909, 21650), (1010, 19485), (1299, 15150), (1515, 12990), (1818, 10825), (2165, 9090), (2525, 7794), (2598, 7575), (3030, 6495), (3897, 5050), (4330, 4545)]