19455680

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:553

約数の個数: 56

約数和(自身を含む): 46738032

約数和(自身を除く): 27282352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 163, 320, 326, 373, 652, 746, 815, 1304, 1492, 1630, 1865, 2608, 2984, 3260, 3730, 5216, 5968, 6520, 7460, 10432, 11936, 13040, 14920, 23872, 26080, 29840, 52160, 59680, 60799, 119360, 121598, 243196, 303995, 486392, 607990, 972784, 1215980, 1945568, 2431960, 3891136, 4863920, 9727840, 19455680]

約数ペア:

[(1, 19455680), (2, 9727840), (4, 4863920), (5, 3891136), (8, 2431960), (10, 1945568), (16, 1215980), (20, 972784), (32, 607990), (40, 486392), (64, 303995), (80, 243196), (160, 121598), (163, 119360), (320, 60799), (326, 59680), (373, 52160), (652, 29840), (746, 26080), (815, 23872), (1304, 14920), (1492, 13040), (1630, 11936), (1865, 10432), (2608, 7460), (2984, 6520), (3260, 5968), (3730, 5216)]