20178261018

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1091}}^1\times {\mathrm{19387}}^1$

素因数の和:20539

約数の個数: 48

約数和(自身を含む): 44587591776

約数和(自身を除く): 24409330758

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 1091, 2182, 3273, 6546, 9819, 19387, 19638, 38774, 57823, 58161, 115646, 116322, 173469, 174483, 346938, 348966, 520407, 1027511, 1040814, 2055022, 3082533, 6165066, 9247599, 18495198, 21151217, 42302434, 63453651, 126907302, 190360953, 380721906, 1121014501, 2242029002, 3363043503, 6726087006, 10089130509, 20178261018]

約数ペア:

[(1, 20178261018), (2, 10089130509), (3, 6726087006), (6, 3363043503), (9, 2242029002), (18, 1121014501), (53, 380721906), (106, 190360953), (159, 126907302), (318, 63453651), (477, 42302434), (954, 21151217), (1091, 18495198), (2182, 9247599), (3273, 6165066), (6546, 3082533), (9819, 2055022), (19387, 1040814), (19638, 1027511), (38774, 520407), (57823, 348966), (58161, 346938), (115646, 174483), (116322, 173469)]