19557140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{593}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 44008272

約数和(自身を除く): 24451132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 593, 970, 1186, 1649, 1940, 2372, 2965, 3298, 5930, 6596, 8245, 10081, 11860, 16490, 20162, 32980, 40324, 50405, 57521, 100810, 115042, 201620, 230084, 287605, 575210, 977857, 1150420, 1955714, 3911428, 4889285, 9778570, 19557140]

約数ペア:

[(1, 19557140), (2, 9778570), (4, 4889285), (5, 3911428), (10, 1955714), (17, 1150420), (20, 977857), (34, 575210), (68, 287605), (85, 230084), (97, 201620), (170, 115042), (194, 100810), (340, 57521), (388, 50405), (485, 40324), (593, 32980), (970, 20162), (1186, 16490), (1649, 11860), (1940, 10081), (2372, 8245), (2965, 6596), (3298, 5930)]