19843968

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1715

約数の個数: 64

約数和(自身を含む): 54443520

約数和(自身を除く): 34599552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1667, 1984, 2976, 3334, 3968, 5001, 5952, 6668, 10002, 11904, 13336, 20004, 26672, 40008, 51677, 53344, 80016, 103354, 106688, 155031, 160032, 206708, 213376, 310062, 320064, 413416, 620124, 640128, 826832, 1240248, 1653664, 2480496, 3307328, 4960992, 6614656, 9921984, 19843968]

約数ペア:

[(1, 19843968), (2, 9921984), (3, 6614656), (4, 4960992), (6, 3307328), (8, 2480496), (12, 1653664), (16, 1240248), (24, 826832), (31, 640128), (32, 620124), (48, 413416), (62, 320064), (64, 310062), (93, 213376), (96, 206708), (124, 160032), (128, 155031), (186, 106688), (192, 103354), (248, 80016), (372, 53344), (384, 51677), (496, 40008), (744, 26672), (992, 20004), (1488, 13336), (1667, 11904), (1984, 10002), (2976, 6668), (3334, 5952), (3968, 5001)]