19912896

素因数分解:

$2^6\times 3^2\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 84

約数和(自身を含む): 57692544

約数和(自身を除く): 37779648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 181, 191, 192, 288, 362, 382, 543, 573, 576, 724, 764, 1086, 1146, 1448, 1528, 1629, 1719, 2172, 2292, 2896, 3056, 3258, 3438, 4344, 4584, 5792, 6112, 6516, 6876, 8688, 9168, 11584, 12224, 13032, 13752, 17376, 18336, 26064, 27504, 34571, 34752, 36672, 52128, 55008, 69142, 103713, 104256, 110016, 138284, 207426, 276568, 311139, 414852, 553136, 622278, 829704, 1106272, 1244556, 1659408, 2212544, 2489112, 3318816, 4978224, 6637632, 9956448, 19912896]

約数ペア:

[(1, 19912896), (2, 9956448), (3, 6637632), (4, 4978224), (6, 3318816), (8, 2489112), (9, 2212544), (12, 1659408), (16, 1244556), (18, 1106272), (24, 829704), (32, 622278), (36, 553136), (48, 414852), (64, 311139), (72, 276568), (96, 207426), (144, 138284), (181, 110016), (191, 104256), (192, 103713), (288, 69142), (362, 55008), (382, 52128), (543, 36672), (573, 34752), (576, 34571), (724, 27504), (764, 26064), (1086, 18336), (1146, 17376), (1448, 13752), (1528, 13032), (1629, 12224), (1719, 11584), (2172, 9168), (2292, 8688), (2896, 6876), (3056, 6516), (3258, 6112), (3438, 5792), (4344, 4584)]