18565900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 42747264

約数和(自身を除く): 24181364

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 53, 62, 100, 106, 113, 124, 155, 212, 226, 265, 310, 452, 530, 565, 620, 775, 1060, 1130, 1325, 1550, 1643, 2260, 2650, 2825, 3100, 3286, 3503, 5300, 5650, 5989, 6572, 7006, 8215, 11300, 11978, 14012, 16430, 17515, 23956, 29945, 32860, 35030, 41075, 59890, 70060, 82150, 87575, 119780, 149725, 164300, 175150, 185659, 299450, 350300, 371318, 598900, 742636, 928295, 1856590, 3713180, 4641475, 9282950, 18565900]

約数ペア:

[(1, 18565900), (2, 9282950), (4, 4641475), (5, 3713180), (10, 1856590), (20, 928295), (25, 742636), (31, 598900), (50, 371318), (53, 350300), (62, 299450), (100, 185659), (106, 175150), (113, 164300), (124, 149725), (155, 119780), (212, 87575), (226, 82150), (265, 70060), (310, 59890), (452, 41075), (530, 35030), (565, 32860), (620, 29945), (775, 23956), (1060, 17515), (1130, 16430), (1325, 14012), (1550, 11978), (1643, 11300), (2260, 8215), (2650, 7006), (2825, 6572), (3100, 5989), (3286, 5650), (3503, 5300)]