20194517412

素因数分解:

$2^2\times 3^2\times {\mathrm{457}}^1\times {\mathrm{523}}^1\times {\mathrm{2347}}^1$

素因数の和:3337

約数の個数: 72

約数和(自身を含む): 51278610656

約数和(自身を除く): 31084093244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 457, 523, 914, 1046, 1371, 1569, 1828, 2092, 2347, 2742, 3138, 4113, 4694, 4707, 5484, 6276, 7041, 8226, 9388, 9414, 14082, 16452, 18828, 21123, 28164, 42246, 84492, 239011, 478022, 717033, 956044, 1072579, 1227481, 1434066, 2145158, 2151099, 2454962, 2868132, 3217737, 3682443, 4290316, 4302198, 4909924, 6435474, 7364886, 8604396, 9653211, 11047329, 12870948, 14729772, 19306422, 22094658, 38612844, 44189316, 560958817, 1121917634, 1682876451, 2243835268, 3365752902, 5048629353, 6731505804, 10097258706, 20194517412]

約数ペア:

[(1, 20194517412), (2, 10097258706), (3, 6731505804), (4, 5048629353), (6, 3365752902), (9, 2243835268), (12, 1682876451), (18, 1121917634), (36, 560958817), (457, 44189316), (523, 38612844), (914, 22094658), (1046, 19306422), (1371, 14729772), (1569, 12870948), (1828, 11047329), (2092, 9653211), (2347, 8604396), (2742, 7364886), (3138, 6435474), (4113, 4909924), (4694, 4302198), (4707, 4290316), (5484, 3682443), (6276, 3217737), (7041, 2868132), (8226, 2454962), (9388, 2151099), (9414, 2145158), (14082, 1434066), (16452, 1227481), (18828, 1072579), (21123, 956044), (28164, 717033), (42246, 478022), (84492, 239011)]