19922912

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 42375312

約数和(自身を除く): 22452400

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 68, 106, 136, 212, 272, 424, 544, 691, 848, 901, 1382, 1696, 1802, 2764, 3604, 5528, 7208, 11056, 11747, 14416, 22112, 23494, 28832, 36623, 46988, 73246, 93976, 146492, 187952, 292984, 375904, 585968, 622591, 1171936, 1245182, 2490364, 4980728, 9961456, 19922912]

約数ペア:

[(1, 19922912), (2, 9961456), (4, 4980728), (8, 2490364), (16, 1245182), (17, 1171936), (32, 622591), (34, 585968), (53, 375904), (68, 292984), (106, 187952), (136, 146492), (212, 93976), (272, 73246), (424, 46988), (544, 36623), (691, 28832), (848, 23494), (901, 22112), (1382, 14416), (1696, 11747), (1802, 11056), (2764, 7208), (3604, 5528)]