2018444740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{373}}^1\times {\mathrm{1601}}^1$

素因数の和:2009

約数の個数: 72

約数和(自身を含む): 4605051528

約数和(自身を除く): 2586606788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 373, 676, 746, 845, 1492, 1601, 1690, 1865, 3202, 3380, 3730, 4849, 6404, 7460, 8005, 9698, 16010, 19396, 20813, 24245, 32020, 41626, 48490, 63037, 83252, 96980, 104065, 126074, 208130, 252148, 270569, 315185, 416260, 541138, 597173, 630370, 1082276, 1194346, 1260740, 1352845, 2388692, 2705690, 2985865, 5411380, 5971730, 7763249, 11943460, 15526498, 31052996, 38816245, 77632490, 100922237, 155264980, 201844474, 403688948, 504611185, 1009222370, 2018444740]

約数ペア:

[(1, 2018444740), (2, 1009222370), (4, 504611185), (5, 403688948), (10, 201844474), (13, 155264980), (20, 100922237), (26, 77632490), (52, 38816245), (65, 31052996), (130, 15526498), (169, 11943460), (260, 7763249), (338, 5971730), (373, 5411380), (676, 2985865), (746, 2705690), (845, 2388692), (1492, 1352845), (1601, 1260740), (1690, 1194346), (1865, 1082276), (3202, 630370), (3380, 597173), (3730, 541138), (4849, 416260), (6404, 315185), (7460, 270569), (8005, 252148), (9698, 208130), (16010, 126074), (19396, 104065), (20813, 96980), (24245, 83252), (32020, 63037), (41626, 48490)]