19612485

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 15768315

約数列:

[1, 3, 5, 9, 15, 45, 59, 83, 89, 177, 249, 267, 295, 415, 445, 531, 747, 801, 885, 1245, 1335, 2655, 3735, 4005, 4897, 5251, 7387, 14691, 15753, 22161, 24485, 26255, 36935, 44073, 47259, 66483, 73455, 78765, 110805, 220365, 236295, 332415, 435833, 1307499, 2179165, 3922497, 6537495, 19612485]

約数ペア:

[(1, 19612485), (3, 6537495), (5, 3922497), (9, 2179165), (15, 1307499), (45, 435833), (59, 332415), (83, 236295), (89, 220365), (177, 110805), (249, 78765), (267, 73455), (295, 66483), (415, 47259), (445, 44073), (531, 36935), (747, 26255), (801, 24485), (885, 22161), (1245, 15753), (1335, 14691), (2655, 7387), (3735, 5251), (4005, 4897)]