19630275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 17867325

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 139, 175, 269, 417, 525, 695, 807, 973, 1345, 1883, 2085, 2919, 3475, 4035, 4865, 5649, 6725, 9415, 10425, 14595, 20175, 24325, 28245, 37391, 47075, 72975, 112173, 141225, 186955, 261737, 560865, 785211, 934775, 1308685, 2804325, 3926055, 6543425, 19630275]

約数ペア:

[(1, 19630275), (3, 6543425), (5, 3926055), (7, 2804325), (15, 1308685), (21, 934775), (25, 785211), (35, 560865), (75, 261737), (105, 186955), (139, 141225), (175, 112173), (269, 72975), (417, 47075), (525, 37391), (695, 28245), (807, 24325), (973, 20175), (1345, 14595), (1883, 10425), (2085, 9415), (2919, 6725), (3475, 5649), (4035, 4865)]