2018444860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{4583}}^1$

素因数の和:4691

約数の個数: 72

約数和(自身を含む): 4547896416

約数和(自身を除く): 2529451556

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 361, 380, 610, 722, 1159, 1220, 1444, 1805, 2318, 3610, 4583, 4636, 5795, 7220, 9166, 11590, 18332, 22021, 22915, 23180, 44042, 45830, 87077, 88084, 91660, 110105, 174154, 220210, 279563, 348308, 435385, 440420, 559126, 870770, 1118252, 1397815, 1654463, 1741540, 2795630, 3308926, 5311697, 5591260, 6617852, 8272315, 10623394, 16544630, 21246788, 26558485, 33089260, 53116970, 100922243, 106233940, 201844486, 403688972, 504611215, 1009222430, 2018444860]

約数ペア:

[(1, 2018444860), (2, 1009222430), (4, 504611215), (5, 403688972), (10, 201844486), (19, 106233940), (20, 100922243), (38, 53116970), (61, 33089260), (76, 26558485), (95, 21246788), (122, 16544630), (190, 10623394), (244, 8272315), (305, 6617852), (361, 5591260), (380, 5311697), (610, 3308926), (722, 2795630), (1159, 1741540), (1220, 1654463), (1444, 1397815), (1805, 1118252), (2318, 870770), (3610, 559126), (4583, 440420), (4636, 435385), (5795, 348308), (7220, 279563), (9166, 220210), (11590, 174154), (18332, 110105), (22021, 91660), (22915, 88084), (23180, 87077), (44042, 45830)]