19828965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 34747776

約数和(自身を除く): 14918811

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 1667, 2379, 3965, 5001, 8335, 11895, 21671, 25005, 65013, 101687, 108355, 305061, 325065, 508435, 1321931, 1525305, 3965793, 6609655, 19828965]

約数ペア:

[(1, 19828965), (3, 6609655), (5, 3965793), (13, 1525305), (15, 1321931), (39, 508435), (61, 325065), (65, 305061), (183, 108355), (195, 101687), (305, 65013), (793, 25005), (915, 21671), (1667, 11895), (2379, 8335), (3965, 5001)]