20199972398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{43597}}^1$

素因数の和:43844

約数の個数: 32

約数和(自身を含む): 32489229600

約数和(自身を除く): 12289257202

約数列:

[1, 2, 19, 38, 89, 137, 178, 274, 1691, 2603, 3382, 5206, 12193, 24386, 43597, 87194, 231667, 463334, 828343, 1656686, 3880133, 5972789, 7760266, 11945578, 73722527, 113482991, 147445054, 226965982, 531578221, 1063156442, 10099986199, 20199972398]

約数ペア:

[(1, 20199972398), (2, 10099986199), (19, 1063156442), (38, 531578221), (89, 226965982), (137, 147445054), (178, 113482991), (274, 73722527), (1691, 11945578), (2603, 7760266), (3382, 5972789), (5206, 3880133), (12193, 1656686), (24386, 828343), (43597, 463334), (87194, 231667)]