19777884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 57093120

約数和(自身を除く): 37315236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 29, 42, 46, 58, 69, 84, 87, 92, 116, 138, 161, 174, 203, 276, 322, 348, 353, 406, 483, 609, 644, 667, 706, 812, 966, 1059, 1218, 1334, 1412, 1932, 2001, 2118, 2436, 2471, 2668, 4002, 4236, 4669, 4942, 7413, 8004, 8119, 9338, 9884, 10237, 14007, 14826, 16238, 18676, 20474, 24357, 28014, 29652, 30711, 32476, 40948, 48714, 56028, 56833, 61422, 71659, 97428, 113666, 122844, 143318, 170499, 214977, 227332, 235451, 286636, 340998, 429954, 470902, 681996, 706353, 859908, 941804, 1412706, 1648157, 2825412, 3296314, 4944471, 6592628, 9888942, 19777884]

約数ペア:

[(1, 19777884), (2, 9888942), (3, 6592628), (4, 4944471), (6, 3296314), (7, 2825412), (12, 1648157), (14, 1412706), (21, 941804), (23, 859908), (28, 706353), (29, 681996), (42, 470902), (46, 429954), (58, 340998), (69, 286636), (84, 235451), (87, 227332), (92, 214977), (116, 170499), (138, 143318), (161, 122844), (174, 113666), (203, 97428), (276, 71659), (322, 61422), (348, 56833), (353, 56028), (406, 48714), (483, 40948), (609, 32476), (644, 30711), (667, 29652), (706, 28014), (812, 24357), (966, 20474), (1059, 18676), (1218, 16238), (1334, 14826), (1412, 14007), (1932, 10237), (2001, 9884), (2118, 9338), (2436, 8119), (2471, 8004), (2668, 7413), (4002, 4942), (4236, 4669)]